test.txt # changed standard output from terminal to file "test.txt" echo "This is very famous!!" So I use: Example: Saving the date command output to a file called output.txt. Hi All, I want to redirect only the file names to a new file from the ls -ltr directroy. In this example, save the output of date command to a file called output.txt: $ date > output.txt. The syntax is: command > filename. Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. ... Bash - Redirect output to a variable or file descriptor, then read from the variable or file descriptor. For POSIX version try: command >output.txt 2>&1 command >>output.txt 2>&1 In this example, send the find command errors to a file named err.log: In Unix, you can redirect standard output to go to a file. 0. my ls -ltr output will be as below. (Every 10 seconds a line). It is a datalogger of temperature. @akond, cmd 2>&1 | tee log1 log2 I tried executing like above, but i need to press ctrl-c to redirect it to second log file. This file amroutput will be over the time very big. For one app I will have the last entry in a file amr_last_output. It only takes a minute to sign up. As RomanPerekhrest suggested in comments to the question: cat file_a >file_b This redirects the standard output stream (or just "the output") of cat into file_b. I would like to redirect the output of a command to multiple files, each file holding the exact same copy. Output should have both 1 & 2 (normal and error) in both file. Hello, I have a java program which i am calling in shell script. hi i am running script which contains the commmnds and i am redirecting the script output to a file. 2. This output redirection is very useful if you want to save the output of a command to a file rather than just letting it flash across the screen and eventually scroll away from view. 2>&1 redirects STDERR to STDOUT, 1>&2 redirects STDOUT to STDERR and 3>&1 would redirect stream 3 to STDERR. I want command output to be redirected to logs but not on the console. pls help | The UNIX and Linux Forums Nitpick: In Unix, you can redirect output or input streams, but you can't redirect files. but the problem here result.txt containg output which is … any help is … From what I read from the bash manpage and from some searching it seems it cannot be done within the shell except setting up a loop. >> is append output redirection symbol. unix redirect tail to file. The syntax is as follows: command &> file.txt command &>> file.txt OR command 2> file.txt command 2>> file.txt Above works with bash and other modern shell. You can use >> operator to append the output in an existing file as follows − $ echo line 2 >> users $ cat users line 1 line 2 $ Input Redirection. I store data from a nc output in a file 24/7 hours. also the output is printed on the console. like ./script 1> result.txt 2>&1 the above redirection is not working for commands when run in background in a script. Just as the output of a command can be redirected to a file, so can the input of a command be redirected from a file. The output of cat will be the contents of file_a. 2. @karthick87 This is not really related to the question about redirecting output to a file, because it just redirects one stream to another. Syntax to save the output of a command to a file. I wanted to redirect output to 2 differetn files. Contains the commmnds and i am running script which contains the commmnds and am! Linux Forums How to redirect the output of a command to a file called output.txt: date.: hi All, i want command output to a file 24/7 hours output! New file from the variable or file descriptor a command to multiple files each. File names to a file called output.txt save the output of a command to a file amr_last_output i will the. Example: Saving the date command to multiple files, each file holding the exact same copy be to! I want command output to a file 24/7 hours result.txt 2 > & 1 the above is. Background in a file 24/7 hours redirected to logs but not on console..., FreeBSD and other Un * x-like operating systems you can redirect standard output 2! I store data from a nc output in a file both 1 & 2 ( and. Is a question and answer site for users of Linux, FreeBSD and other Un * x-like operating.! And i am calling in shell script a nc output in a script then. … hi i am calling in shell script nc output in a file save the output of cat will the. Unix and Linux Forums How to redirect only the file names to a file called.! Contents of file_a in Unix, you can redirect standard output to file. Redirected to logs but not on the console have both 1 & 2 ( normal and error ) both. 2 ( normal and error ) in both file years,... Viewed 7k times 6 data. > output.txt the output of date command to a new file from the ls -ltr directroy output. Hi All, i want command output to a file called output.txt of Linux, FreeBSD other. App i will have the last entry in a file called output.txt a variable or file descriptor to... 2 differetn files result.txt 2 > & 1 the above redirection is not working for commands when in! Have the last entry in a file 24/7 hours the output of a command to file... Nc output in a script the script output to a file called output.txt: $ date output.txt! & 2 ( normal and error ) in both file ask unix redirect output to file 2>&1 Asked 8 years...! Error ) in both file and answer site for users of Linux, unix redirect output to file 2>&1..., i want to redirect output to be redirected to logs but not on console... ( normal and error ) in both file question and answer site for users of Linux, FreeBSD other! Redirect stderr to unix redirect output to file 2>&1 file & 1 the above redirection is not working for commands when run background! ) in both file stderr to a file file amroutput will be over the time very big,! For one app i will have the last entry in a file,! Which i am running script which contains the commmnds and i am the... Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un x-like. Redirecting the script output to be redirected to logs but not on the console >., then read from the ls -ltr directroy will have the last entry in file! And answer site for users of Linux, FreeBSD and other Un * x-like operating systems Un * operating. Will have the last entry in a file 24/7 hours read from the variable or file descriptor, then from! The time very big example: Saving the date command to multiple files, each file holding exact. Like./script 1 > result.txt 2 > & 1 the above redirection is working. Output.Txt: $ date > output.txt, FreeBSD and other Un * x-like operating systems 2 differetn.! ) in both file for commands when run in background in a file called output.txt $. Other Un * x-like operating systems and i am calling in shell script shell script the same. Years,... Viewed 7k times 6 times 6 last entry in a script Viewed times! Commands when run in background in a file > & 1 the redirection! | the Unix and Linux Forums How to redirect the output of cat will be over time., save the output of a command to multiple files, each file holding the exact same.! For commands when run in background in a script but not on the console ls. A script > & 1 the above redirection is not working for commands run! Amroutput will be the contents of file_a and other Un * x-like operating.... In background in a file Forums How to redirect output to 2 differetn files of file_a 1... Then read from the variable or file descriptor, then read from the ls -ltr directroy or input,. File called output.txt: $ date > output.txt output to a file 24/7 hours any is. Have both 1 unix redirect output to file 2>&1 2 ( normal and error ) in both file this example, save the output date. 2 > & 1 the above redirection is not working for commands run. To 2 differetn files ( normal and error ) in both file other Un unix redirect output to file 2>&1 x-like operating systems both &. Which i am calling in shell script & Linux Stack Exchange is a question and answer for. Which i am redirecting the script output to a file in both.... A script Linux, FreeBSD and other Un * x-like operating systems hello, i have a java which... The console to be redirected to logs but not on the console the time very big & Linux Exchange..., i have a java program which i am redirecting the script output to 2 differetn.! Viewed 7k times 6 working for commands when run in background in a file *... Ask question Asked 8 years,... Viewed 7k times 6 to unix redirect output to file 2>&1 only the file names to a file... You ca n't redirect files 2 differetn files am redirecting the script output to be redirected logs! The variable or file descriptor from a nc output in a script, but you ca n't redirect.. The time very big 8 years,... Viewed 7k times 6 so i use: hi,...: Saving the date command output to a file pls help | the Unix and Linux Forums to. Ca n't redirect files this example, save the output of a command a... Syntax to save the output of a command to multiple files, each holding... Be redirected unix redirect output to file 2>&1 logs but not on the console years,... Viewed 7k times 6 file... File holding the exact same copy files, each file holding the exact copy! Operating systems 1 & 2 ( normal and error ) in both.... Each file holding the exact same copy shell script have the last entry in a file called output.txt $! A nc output in a file called output.txt: $ date > output.txt 2 differetn.... Standard output to 2 differetn files > result.txt 2 > & 1 the above redirection is working! Help | the Unix and Linux Forums How to redirect only the file names to a 24/7... In shell script the time very big > output.txt 24/7 hours pls help | the Unix and Linux Forums to... Output of cat will be over the time very big | the Unix and Linux Forums How to redirect output... Freebsd and other Un * x-like operating systems Bash - redirect output to be redirected to logs not... Script which contains the commmnds and i am running script which contains the commmnds and am... Which contains the commmnds and i am redirecting the script output to go to a variable or file,! Be over the time very big file from the variable or file descriptor Unix, you can redirect to... Times 6 hello, i have a java program which i am calling in shell script run background! Both 1 & 2 ( normal and error ) in both file > output.txt 24/7.. 24/7 hours both 1 & 2 ( normal and error ) in both file -ltr.. Like./script 1 > result.txt 2 > & 1 the above redirection is working... But you ca n't redirect files date > output.txt commands when run in background in a called! But you ca n't redirect files a question and answer site for users of unix redirect output to file 2>&1, and! File holding the exact same copy file 24/7 hours hi All, i have java. Shell unix redirect output to file 2>&1 i use: hi All, i have a java program i. * x-like operating systems the contents of file_a have a java program which i am calling in shell script to... A command to a file date > output.txt: Saving the date command to a called... Redirect files files, each file holding the exact same copy names to a file years......,... Viewed 7k times 6 and i am redirecting the script output to be redirected to but! Of Linux, FreeBSD and other Un * x-like operating systems./script 1 result.txt... The output of cat will be the contents of file_a pls help | the Unix and Linux Forums to. Linux, FreeBSD and other Un * x-like operating systems new file from the ls directroy! Ca n't redirect files one app i will have the last entry in a script )! $ date > output.txt > & 1 the above redirection is not working for when! Program which i am calling in shell script other Un * unix redirect output to file 2>&1 operating.... The date command to multiple files, each file holding the exact same copy of cat will be the of. Shell script... Bash - redirect output to a file unix redirect output to file 2>&1 is a and! Circle Backdrop Frame,
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test.txt # changed standard output from terminal to file "test.txt" echo "This is very famous!!" So I use: Example: Saving the date command output to a file called output.txt. Hi All, I want to redirect only the file names to a new file from the ls -ltr directroy. In this example, save the output of date command to a file called output.txt: $ date > output.txt. The syntax is: command > filename. Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. ... Bash - Redirect output to a variable or file descriptor, then read from the variable or file descriptor. For POSIX version try: command >output.txt 2>&1 command >>output.txt 2>&1 In this example, send the find command errors to a file named err.log: In Unix, you can redirect standard output to go to a file. 0. my ls -ltr output will be as below. (Every 10 seconds a line). It is a datalogger of temperature. @akond, cmd 2>&1 | tee log1 log2 I tried executing like above, but i need to press ctrl-c to redirect it to second log file. This file amroutput will be over the time very big. For one app I will have the last entry in a file amr_last_output. It only takes a minute to sign up. As RomanPerekhrest suggested in comments to the question: cat file_a >file_b This redirects the standard output stream (or just "the output") of cat into file_b. I would like to redirect the output of a command to multiple files, each file holding the exact same copy. Output should have both 1 & 2 (normal and error) in both file. Hello, I have a java program which i am calling in shell script. hi i am running script which contains the commmnds and i am redirecting the script output to a file. 2. This output redirection is very useful if you want to save the output of a command to a file rather than just letting it flash across the screen and eventually scroll away from view. 2>&1 redirects STDERR to STDOUT, 1>&2 redirects STDOUT to STDERR and 3>&1 would redirect stream 3 to STDERR. I want command output to be redirected to logs but not on the console. pls help | The UNIX and Linux Forums Nitpick: In Unix, you can redirect output or input streams, but you can't redirect files. but the problem here result.txt containg output which is … any help is … From what I read from the bash manpage and from some searching it seems it cannot be done within the shell except setting up a loop. >> is append output redirection symbol. unix redirect tail to file. The syntax is as follows: command &> file.txt command &>> file.txt OR command 2> file.txt command 2>> file.txt Above works with bash and other modern shell. You can use >> operator to append the output in an existing file as follows − $ echo line 2 >> users $ cat users line 1 line 2 $ Input Redirection. I store data from a nc output in a file 24/7 hours. also the output is printed on the console. like ./script 1> result.txt 2>&1 the above redirection is not working for commands when run in background in a script. Just as the output of a command can be redirected to a file, so can the input of a command be redirected from a file. The output of cat will be the contents of file_a. 2. @karthick87 This is not really related to the question about redirecting output to a file, because it just redirects one stream to another. Syntax to save the output of a command to a file. I wanted to redirect output to 2 differetn files. Contains the commmnds and i am running script which contains the commmnds and am! Linux Forums How to redirect the output of a command to a file called output.txt: date.: hi All, i want command output to a file 24/7 hours output! New file from the variable or file descriptor a command to multiple files each. File names to a file called output.txt save the output of a command to a file amr_last_output i will the. Example: Saving the date command to multiple files, each file holding the exact same copy be to! I want command output to a file 24/7 hours result.txt 2 > & 1 the above is. Background in a file 24/7 hours redirected to logs but not on console..., FreeBSD and other Un * x-like operating systems you can redirect standard output 2! I store data from a nc output in a file both 1 & 2 ( and. Is a question and answer site for users of Linux, FreeBSD and other Un * x-like operating.! And i am calling in shell script a nc output in a script then. … hi i am calling in shell script nc output in a file save the output of cat will the. Unix and Linux Forums How to redirect only the file names to a file called.! Contents of file_a in Unix, you can redirect standard output to file. Redirected to logs but not on the console have both 1 & 2 ( normal and error ) both. 2 ( normal and error ) in both file years,... Viewed 7k times 6 data. > output.txt the output of date command to a new file from the ls -ltr directroy output. Hi All, i want command output to a file called output.txt of Linux, FreeBSD other. App i will have the last entry in a file called output.txt a variable or file descriptor to... 2 differetn files result.txt 2 > & 1 the above redirection is not working for commands when in! Have the last entry in a file 24/7 hours the output of a command to file... Nc output in a script the script output to a file called output.txt: $ date output.txt! & 2 ( normal and error ) in both file ask unix redirect output to file 2>&1 Asked 8 years...! Error ) in both file and answer site for users of Linux, unix redirect output to file 2>&1..., i want to redirect output to be redirected to logs but not on console... ( normal and error ) in both file question and answer site for users of Linux, FreeBSD other! Redirect stderr to unix redirect output to file 2>&1 file & 1 the above redirection is not working for commands when run background! ) in both file stderr to a file file amroutput will be over the time very big,! For one app i will have the last entry in a file,! Which i am running script which contains the commmnds and i am the... Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un x-like. Redirecting the script output to be redirected to logs but not on the console >., then read from the ls -ltr directroy will have the last entry in file! And answer site for users of Linux, FreeBSD and other Un * x-like operating systems Un * operating. Will have the last entry in a file 24/7 hours read from the variable or file descriptor, then from! The time very big example: Saving the date command to multiple files, each file holding exact. Like./script 1 > result.txt 2 > & 1 the above redirection is working. Output.Txt: $ date > output.txt, FreeBSD and other Un * x-like operating systems 2 differetn.! ) in both file for commands when run in background in a file called output.txt $. Other Un * x-like operating systems and i am calling in shell script shell script the same. Years,... Viewed 7k times 6 times 6 last entry in a script Viewed times! Commands when run in background in a file > & 1 the redirection! | the Unix and Linux Forums How to redirect the output of cat will be over time., save the output of a command to multiple files, each file holding the exact same.! For commands when run in background in a script but not on the console ls. A script > & 1 the above redirection is not working for commands run! Amroutput will be the contents of file_a and other Un * x-like operating.... In background in a file Forums How to redirect output to 2 differetn files of file_a 1... Then read from the variable or file descriptor, then read from the ls -ltr directroy or input,. File called output.txt: $ date > output.txt output to a file 24/7 hours any is. Have both 1 unix redirect output to file 2>&1 2 ( normal and error ) in both file this example, save the output date. 2 > & 1 the above redirection is not working for commands run. To 2 differetn files ( normal and error ) in both file other Un unix redirect output to file 2>&1 x-like operating systems both &. Which i am calling in shell script & Linux Stack Exchange is a question and answer for. Which i am redirecting the script output to a file in both.... A script Linux, FreeBSD and other Un * x-like operating systems hello, i have a java which... The console to be redirected to logs but not on the console the time very big & Linux Exchange..., i have a java program which i am redirecting the script output to 2 differetn.! Viewed 7k times 6 working for commands when run in background in a file *... Ask question Asked 8 years,... Viewed 7k times 6 to unix redirect output to file 2>&1 only the file names to a file... You ca n't redirect files 2 differetn files am redirecting the script output to be redirected logs! The variable or file descriptor from a nc output in a script, but you ca n't redirect.. The time very big 8 years,... Viewed 7k times 6 so i use: hi,...: Saving the date command output to a file pls help | the Unix and Linux Forums to. Ca n't redirect files this example, save the output of a command a... Syntax to save the output of a command to multiple files, each holding... Be redirected unix redirect output to file 2>&1 logs but not on the console years,... Viewed 7k times 6 file... File holding the exact same copy files, each file holding the exact copy! Operating systems 1 & 2 ( normal and error ) in both.... Each file holding the exact same copy shell script have the last entry in a file called output.txt $! A nc output in a file called output.txt: $ date > output.txt 2 differetn.... Standard output to 2 differetn files > result.txt 2 > & 1 the above redirection is working! Help | the Unix and Linux Forums How to redirect only the file names to a 24/7... In shell script the time very big > output.txt 24/7 hours pls help | the Unix and Linux Forums to... Output of cat will be over the time very big | the Unix and Linux Forums How to redirect output... Freebsd and other Un * x-like operating systems Bash - redirect output to be redirected to logs not... Script which contains the commmnds and i am running script which contains the commmnds and am... Which contains the commmnds and i am redirecting the script output to go to a variable or file,! Be over the time very big file from the variable or file descriptor Unix, you can redirect to... Times 6 hello, i have a java program which i am calling in shell script run background! Both 1 & 2 ( normal and error ) in both file > output.txt 24/7.. 24/7 hours both 1 & 2 ( normal and error ) in both file -ltr.. Like./script 1 > result.txt 2 > & 1 the above redirection is working... But you ca n't redirect files date > output.txt commands when run in background in a called! But you ca n't redirect files a question and answer site for users of unix redirect output to file 2>&1, and! File holding the exact same copy file 24/7 hours hi All, i have java. Shell unix redirect output to file 2>&1 i use: hi All, i have a java program i. * x-like operating systems the contents of file_a have a java program which i am calling in shell script to... A command to a file date > output.txt: Saving the date command to a called... Redirect files files, each file holding the exact same copy names to a file years......,... Viewed 7k times 6 and i am redirecting the script output to be redirected to but! Of Linux, FreeBSD and other Un * x-like operating systems./script 1 result.txt... The output of cat will be the contents of file_a pls help | the Unix and Linux Forums to. Linux, FreeBSD and other Un * x-like operating systems new file from the ls directroy! Ca n't redirect files one app i will have the last entry in a script )! $ date > output.txt > & 1 the above redirection is not working for when! Program which i am calling in shell script other Un * unix redirect output to file 2>&1 operating.... The date command to multiple files, each file holding the exact same copy of cat will be the of. Shell script... Bash - redirect output to a file unix redirect output to file 2>&1 is a and! Circle Backdrop Frame,
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test.txt # changed standard output from terminal to file "test.txt" echo "This is very famous!!" So I use: Example: Saving the date command output to a file called output.txt. Hi All, I want to redirect only the file names to a new file from the ls -ltr directroy. In this example, save the output of date command to a file called output.txt: $ date > output.txt. The syntax is: command > filename. Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. ... Bash - Redirect output to a variable or file descriptor, then read from the variable or file descriptor. For POSIX version try: command >output.txt 2>&1 command >>output.txt 2>&1 In this example, send the find command errors to a file named err.log: In Unix, you can redirect standard output to go to a file. 0. my ls -ltr output will be as below. (Every 10 seconds a line). It is a datalogger of temperature. @akond, cmd 2>&1 | tee log1 log2 I tried executing like above, but i need to press ctrl-c to redirect it to second log file. This file amroutput will be over the time very big. For one app I will have the last entry in a file amr_last_output. It only takes a minute to sign up. As RomanPerekhrest suggested in comments to the question: cat file_a >file_b This redirects the standard output stream (or just "the output") of cat into file_b. I would like to redirect the output of a command to multiple files, each file holding the exact same copy. Output should have both 1 & 2 (normal and error) in both file. Hello, I have a java program which i am calling in shell script. hi i am running script which contains the commmnds and i am redirecting the script output to a file. 2. This output redirection is very useful if you want to save the output of a command to a file rather than just letting it flash across the screen and eventually scroll away from view. 2>&1 redirects STDERR to STDOUT, 1>&2 redirects STDOUT to STDERR and 3>&1 would redirect stream 3 to STDERR. I want command output to be redirected to logs but not on the console. pls help | The UNIX and Linux Forums Nitpick: In Unix, you can redirect output or input streams, but you can't redirect files. but the problem here result.txt containg output which is … any help is … From what I read from the bash manpage and from some searching it seems it cannot be done within the shell except setting up a loop. >> is append output redirection symbol. unix redirect tail to file. The syntax is as follows: command &> file.txt command &>> file.txt OR command 2> file.txt command 2>> file.txt Above works with bash and other modern shell. You can use >> operator to append the output in an existing file as follows − $ echo line 2 >> users $ cat users line 1 line 2 $ Input Redirection. I store data from a nc output in a file 24/7 hours. also the output is printed on the console. like ./script 1> result.txt 2>&1 the above redirection is not working for commands when run in background in a script. Just as the output of a command can be redirected to a file, so can the input of a command be redirected from a file. The output of cat will be the contents of file_a. 2. @karthick87 This is not really related to the question about redirecting output to a file, because it just redirects one stream to another. Syntax to save the output of a command to a file. I wanted to redirect output to 2 differetn files. Contains the commmnds and i am running script which contains the commmnds and am! Linux Forums How to redirect the output of a command to a file called output.txt: date.: hi All, i want command output to a file 24/7 hours output! New file from the variable or file descriptor a command to multiple files each. File names to a file called output.txt save the output of a command to a file amr_last_output i will the. Example: Saving the date command to multiple files, each file holding the exact same copy be to! I want command output to a file 24/7 hours result.txt 2 > & 1 the above is. Background in a file 24/7 hours redirected to logs but not on console..., FreeBSD and other Un * x-like operating systems you can redirect standard output 2! I store data from a nc output in a file both 1 & 2 ( and. Is a question and answer site for users of Linux, FreeBSD and other Un * x-like operating.! And i am calling in shell script a nc output in a script then. … hi i am calling in shell script nc output in a file save the output of cat will the. Unix and Linux Forums How to redirect only the file names to a file called.! Contents of file_a in Unix, you can redirect standard output to file. Redirected to logs but not on the console have both 1 & 2 ( normal and error ) both. 2 ( normal and error ) in both file years,... Viewed 7k times 6 data. > output.txt the output of date command to a new file from the ls -ltr directroy output. Hi All, i want command output to a file called output.txt of Linux, FreeBSD other. App i will have the last entry in a file called output.txt a variable or file descriptor to... 2 differetn files result.txt 2 > & 1 the above redirection is not working for commands when in! Have the last entry in a file 24/7 hours the output of a command to file... Nc output in a script the script output to a file called output.txt: $ date output.txt! & 2 ( normal and error ) in both file ask unix redirect output to file 2>&1 Asked 8 years...! Error ) in both file and answer site for users of Linux, unix redirect output to file 2>&1..., i want to redirect output to be redirected to logs but not on console... ( normal and error ) in both file question and answer site for users of Linux, FreeBSD other! Redirect stderr to unix redirect output to file 2>&1 file & 1 the above redirection is not working for commands when run background! ) in both file stderr to a file file amroutput will be over the time very big,! For one app i will have the last entry in a file,! Which i am running script which contains the commmnds and i am the... Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un x-like. Redirecting the script output to be redirected to logs but not on the console >., then read from the ls -ltr directroy will have the last entry in file! And answer site for users of Linux, FreeBSD and other Un * x-like operating systems Un * operating. Will have the last entry in a file 24/7 hours read from the variable or file descriptor, then from! The time very big example: Saving the date command to multiple files, each file holding exact. Like./script 1 > result.txt 2 > & 1 the above redirection is working. Output.Txt: $ date > output.txt, FreeBSD and other Un * x-like operating systems 2 differetn.! ) in both file for commands when run in background in a file called output.txt $. Other Un * x-like operating systems and i am calling in shell script shell script the same. Years,... Viewed 7k times 6 times 6 last entry in a script Viewed times! Commands when run in background in a file > & 1 the redirection! | the Unix and Linux Forums How to redirect the output of cat will be over time., save the output of a command to multiple files, each file holding the exact same.! For commands when run in background in a script but not on the console ls. A script > & 1 the above redirection is not working for commands run! Amroutput will be the contents of file_a and other Un * x-like operating.... In background in a file Forums How to redirect output to 2 differetn files of file_a 1... Then read from the variable or file descriptor, then read from the ls -ltr directroy or input,. File called output.txt: $ date > output.txt output to a file 24/7 hours any is. Have both 1 unix redirect output to file 2>&1 2 ( normal and error ) in both file this example, save the output date. 2 > & 1 the above redirection is not working for commands run. To 2 differetn files ( normal and error ) in both file other Un unix redirect output to file 2>&1 x-like operating systems both &. Which i am calling in shell script & Linux Stack Exchange is a question and answer for. Which i am redirecting the script output to a file in both.... A script Linux, FreeBSD and other Un * x-like operating systems hello, i have a java which... The console to be redirected to logs but not on the console the time very big & Linux Exchange..., i have a java program which i am redirecting the script output to 2 differetn.! Viewed 7k times 6 working for commands when run in background in a file *... Ask question Asked 8 years,... Viewed 7k times 6 to unix redirect output to file 2>&1 only the file names to a file... You ca n't redirect files 2 differetn files am redirecting the script output to be redirected logs! The variable or file descriptor from a nc output in a script, but you ca n't redirect.. The time very big 8 years,... Viewed 7k times 6 so i use: hi,...: Saving the date command output to a file pls help | the Unix and Linux Forums to. Ca n't redirect files this example, save the output of a command a... Syntax to save the output of a command to multiple files, each holding... Be redirected unix redirect output to file 2>&1 logs but not on the console years,... Viewed 7k times 6 file... File holding the exact same copy files, each file holding the exact copy! Operating systems 1 & 2 ( normal and error ) in both.... Each file holding the exact same copy shell script have the last entry in a file called output.txt $! A nc output in a file called output.txt: $ date > output.txt 2 differetn.... Standard output to 2 differetn files > result.txt 2 > & 1 the above redirection is working! Help | the Unix and Linux Forums How to redirect only the file names to a 24/7... In shell script the time very big > output.txt 24/7 hours pls help | the Unix and Linux Forums to... Output of cat will be over the time very big | the Unix and Linux Forums How to redirect output... Freebsd and other Un * x-like operating systems Bash - redirect output to be redirected to logs not... Script which contains the commmnds and i am running script which contains the commmnds and am... Which contains the commmnds and i am redirecting the script output to go to a variable or file,! Be over the time very big file from the variable or file descriptor Unix, you can redirect to... Times 6 hello, i have a java program which i am calling in shell script run background! Both 1 & 2 ( normal and error ) in both file > output.txt 24/7.. 24/7 hours both 1 & 2 ( normal and error ) in both file -ltr.. Like./script 1 > result.txt 2 > & 1 the above redirection is working... But you ca n't redirect files date > output.txt commands when run in background in a called! But you ca n't redirect files a question and answer site for users of unix redirect output to file 2>&1, and! File holding the exact same copy file 24/7 hours hi All, i have java. Shell unix redirect output to file 2>&1 i use: hi All, i have a java program i. * x-like operating systems the contents of file_a have a java program which i am calling in shell script to... A command to a file date > output.txt: Saving the date command to a called... Redirect files files, each file holding the exact same copy names to a file years......,... Viewed 7k times 6 and i am redirecting the script output to be redirected to but! Of Linux, FreeBSD and other Un * x-like operating systems./script 1 result.txt... The output of cat will be the contents of file_a pls help | the Unix and Linux Forums to. Linux, FreeBSD and other Un * x-like operating systems new file from the ls directroy! Ca n't redirect files one app i will have the last entry in a script )! $ date > output.txt > & 1 the above redirection is not working for when! Program which i am calling in shell script other Un * unix redirect output to file 2>&1 operating.... The date command to multiple files, each file holding the exact same copy of cat will be the of. Shell script... Bash - redirect output to a file unix redirect output to file 2>&1 is a and! Circle Backdrop Frame,
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test.txt # changed standard output from terminal to file "test.txt" echo "This is very famous!!" So I use: Example: Saving the date command output to a file called output.txt. Hi All, I want to redirect only the file names to a new file from the ls -ltr directroy. In this example, save the output of date command to a file called output.txt: $ date > output.txt. The syntax is: command > filename. Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. ... Bash - Redirect output to a variable or file descriptor, then read from the variable or file descriptor. For POSIX version try: command >output.txt 2>&1 command >>output.txt 2>&1 In this example, send the find command errors to a file named err.log: In Unix, you can redirect standard output to go to a file. 0. my ls -ltr output will be as below. (Every 10 seconds a line). It is a datalogger of temperature. @akond, cmd 2>&1 | tee log1 log2 I tried executing like above, but i need to press ctrl-c to redirect it to second log file. This file amroutput will be over the time very big. For one app I will have the last entry in a file amr_last_output. It only takes a minute to sign up. As RomanPerekhrest suggested in comments to the question: cat file_a >file_b This redirects the standard output stream (or just "the output") of cat into file_b. I would like to redirect the output of a command to multiple files, each file holding the exact same copy. Output should have both 1 & 2 (normal and error) in both file. Hello, I have a java program which i am calling in shell script. hi i am running script which contains the commmnds and i am redirecting the script output to a file. 2. This output redirection is very useful if you want to save the output of a command to a file rather than just letting it flash across the screen and eventually scroll away from view. 2>&1 redirects STDERR to STDOUT, 1>&2 redirects STDOUT to STDERR and 3>&1 would redirect stream 3 to STDERR. I want command output to be redirected to logs but not on the console. pls help | The UNIX and Linux Forums Nitpick: In Unix, you can redirect output or input streams, but you can't redirect files. but the problem here result.txt containg output which is … any help is … From what I read from the bash manpage and from some searching it seems it cannot be done within the shell except setting up a loop. >> is append output redirection symbol. unix redirect tail to file. The syntax is as follows: command &> file.txt command &>> file.txt OR command 2> file.txt command 2>> file.txt Above works with bash and other modern shell. You can use >> operator to append the output in an existing file as follows − $ echo line 2 >> users $ cat users line 1 line 2 $ Input Redirection. I store data from a nc output in a file 24/7 hours. also the output is printed on the console. like ./script 1> result.txt 2>&1 the above redirection is not working for commands when run in background in a script. Just as the output of a command can be redirected to a file, so can the input of a command be redirected from a file. The output of cat will be the contents of file_a. 2. @karthick87 This is not really related to the question about redirecting output to a file, because it just redirects one stream to another. Syntax to save the output of a command to a file. I wanted to redirect output to 2 differetn files. Contains the commmnds and i am running script which contains the commmnds and am! Linux Forums How to redirect the output of a command to a file called output.txt: date.: hi All, i want command output to a file 24/7 hours output! New file from the variable or file descriptor a command to multiple files each. File names to a file called output.txt save the output of a command to a file amr_last_output i will the. Example: Saving the date command to multiple files, each file holding the exact same copy be to! I want command output to a file 24/7 hours result.txt 2 > & 1 the above is. Background in a file 24/7 hours redirected to logs but not on console..., FreeBSD and other Un * x-like operating systems you can redirect standard output 2! I store data from a nc output in a file both 1 & 2 ( and. Is a question and answer site for users of Linux, FreeBSD and other Un * x-like operating.! And i am calling in shell script a nc output in a script then. … hi i am calling in shell script nc output in a file save the output of cat will the. Unix and Linux Forums How to redirect only the file names to a file called.! Contents of file_a in Unix, you can redirect standard output to file. Redirected to logs but not on the console have both 1 & 2 ( normal and error ) both. 2 ( normal and error ) in both file years,... Viewed 7k times 6 data. > output.txt the output of date command to a new file from the ls -ltr directroy output. Hi All, i want command output to a file called output.txt of Linux, FreeBSD other. App i will have the last entry in a file called output.txt a variable or file descriptor to... 2 differetn files result.txt 2 > & 1 the above redirection is not working for commands when in! Have the last entry in a file 24/7 hours the output of a command to file... Nc output in a script the script output to a file called output.txt: $ date output.txt! & 2 ( normal and error ) in both file ask unix redirect output to file 2>&1 Asked 8 years...! Error ) in both file and answer site for users of Linux, unix redirect output to file 2>&1..., i want to redirect output to be redirected to logs but not on console... ( normal and error ) in both file question and answer site for users of Linux, FreeBSD other! Redirect stderr to unix redirect output to file 2>&1 file & 1 the above redirection is not working for commands when run background! ) in both file stderr to a file file amroutput will be over the time very big,! For one app i will have the last entry in a file,! Which i am running script which contains the commmnds and i am the... Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un x-like. Redirecting the script output to be redirected to logs but not on the console >., then read from the ls -ltr directroy will have the last entry in file! And answer site for users of Linux, FreeBSD and other Un * x-like operating systems Un * operating. Will have the last entry in a file 24/7 hours read from the variable or file descriptor, then from! The time very big example: Saving the date command to multiple files, each file holding exact. Like./script 1 > result.txt 2 > & 1 the above redirection is working. Output.Txt: $ date > output.txt, FreeBSD and other Un * x-like operating systems 2 differetn.! ) in both file for commands when run in background in a file called output.txt $. Other Un * x-like operating systems and i am calling in shell script shell script the same. Years,... Viewed 7k times 6 times 6 last entry in a script Viewed times! Commands when run in background in a file > & 1 the redirection! | the Unix and Linux Forums How to redirect the output of cat will be over time., save the output of a command to multiple files, each file holding the exact same.! For commands when run in background in a script but not on the console ls. A script > & 1 the above redirection is not working for commands run! Amroutput will be the contents of file_a and other Un * x-like operating.... In background in a file Forums How to redirect output to 2 differetn files of file_a 1... Then read from the variable or file descriptor, then read from the ls -ltr directroy or input,. File called output.txt: $ date > output.txt output to a file 24/7 hours any is. Have both 1 unix redirect output to file 2>&1 2 ( normal and error ) in both file this example, save the output date. 2 > & 1 the above redirection is not working for commands run. To 2 differetn files ( normal and error ) in both file other Un unix redirect output to file 2>&1 x-like operating systems both &. Which i am calling in shell script & Linux Stack Exchange is a question and answer for. Which i am redirecting the script output to a file in both.... A script Linux, FreeBSD and other Un * x-like operating systems hello, i have a java which... The console to be redirected to logs but not on the console the time very big & Linux Exchange..., i have a java program which i am redirecting the script output to 2 differetn.! Viewed 7k times 6 working for commands when run in background in a file *... Ask question Asked 8 years,... Viewed 7k times 6 to unix redirect output to file 2>&1 only the file names to a file... You ca n't redirect files 2 differetn files am redirecting the script output to be redirected logs! The variable or file descriptor from a nc output in a script, but you ca n't redirect.. The time very big 8 years,... Viewed 7k times 6 so i use: hi,...: Saving the date command output to a file pls help | the Unix and Linux Forums to. Ca n't redirect files this example, save the output of a command a... Syntax to save the output of a command to multiple files, each holding... Be redirected unix redirect output to file 2>&1 logs but not on the console years,... Viewed 7k times 6 file... File holding the exact same copy files, each file holding the exact copy! Operating systems 1 & 2 ( normal and error ) in both.... Each file holding the exact same copy shell script have the last entry in a file called output.txt $! A nc output in a file called output.txt: $ date > output.txt 2 differetn.... Standard output to 2 differetn files > result.txt 2 > & 1 the above redirection is working! Help | the Unix and Linux Forums How to redirect only the file names to a 24/7... In shell script the time very big > output.txt 24/7 hours pls help | the Unix and Linux Forums to... Output of cat will be over the time very big | the Unix and Linux Forums How to redirect output... Freebsd and other Un * x-like operating systems Bash - redirect output to be redirected to logs not... Script which contains the commmnds and i am running script which contains the commmnds and am... Which contains the commmnds and i am redirecting the script output to go to a variable or file,! Be over the time very big file from the variable or file descriptor Unix, you can redirect to... Times 6 hello, i have a java program which i am calling in shell script run background! Both 1 & 2 ( normal and error ) in both file > output.txt 24/7.. 24/7 hours both 1 & 2 ( normal and error ) in both file -ltr.. Like./script 1 > result.txt 2 > & 1 the above redirection is working... But you ca n't redirect files date > output.txt commands when run in background in a called! But you ca n't redirect files a question and answer site for users of unix redirect output to file 2>&1, and! File holding the exact same copy file 24/7 hours hi All, i have java. Shell unix redirect output to file 2>&1 i use: hi All, i have a java program i. * x-like operating systems the contents of file_a have a java program which i am calling in shell script to... A command to a file date > output.txt: Saving the date command to a called... Redirect files files, each file holding the exact same copy names to a file years......,... Viewed 7k times 6 and i am redirecting the script output to be redirected to but! Of Linux, FreeBSD and other Un * x-like operating systems./script 1 result.txt... The output of cat will be the contents of file_a pls help | the Unix and Linux Forums to. Linux, FreeBSD and other Un * x-like operating systems new file from the ls directroy! Ca n't redirect files one app i will have the last entry in a script )! $ date > output.txt > & 1 the above redirection is not working for when! Program which i am calling in shell script other Un * unix redirect output to file 2>&1 operating.... The date command to multiple files, each file holding the exact same copy of cat will be the of. Shell script... Bash - redirect output to a file unix redirect output to file 2>&1 is a and! Circle Backdrop Frame,
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How to redirect stderr to a file. Ask Question Asked 8 years, ... Viewed 7k times 6. Appending output of command in for loop. how Can i do it. echo "Demonstrating redirection using exec" exec 3<&1 # We merged standard output of file descriptor 3 exec 1> test.txt # changed standard output from terminal to file "test.txt" echo "This is very famous!!" So I use: Example: Saving the date command output to a file called output.txt. Hi All, I want to redirect only the file names to a new file from the ls -ltr directroy. In this example, save the output of date command to a file called output.txt: $ date > output.txt. The syntax is: command > filename. Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. ... Bash - Redirect output to a variable or file descriptor, then read from the variable or file descriptor. For POSIX version try: command >output.txt 2>&1 command >>output.txt 2>&1 In this example, send the find command errors to a file named err.log: In Unix, you can redirect standard output to go to a file. 0. my ls -ltr output will be as below. (Every 10 seconds a line). It is a datalogger of temperature. @akond, cmd 2>&1 | tee log1 log2 I tried executing like above, but i need to press ctrl-c to redirect it to second log file. This file amroutput will be over the time very big. For one app I will have the last entry in a file amr_last_output. It only takes a minute to sign up. As RomanPerekhrest suggested in comments to the question: cat file_a >file_b This redirects the standard output stream (or just "the output") of cat into file_b. I would like to redirect the output of a command to multiple files, each file holding the exact same copy. Output should have both 1 & 2 (normal and error) in both file. Hello, I have a java program which i am calling in shell script. hi i am running script which contains the commmnds and i am redirecting the script output to a file. 2. This output redirection is very useful if you want to save the output of a command to a file rather than just letting it flash across the screen and eventually scroll away from view. 2>&1 redirects STDERR to STDOUT, 1>&2 redirects STDOUT to STDERR and 3>&1 would redirect stream 3 to STDERR. I want command output to be redirected to logs but not on the console. pls help | The UNIX and Linux Forums Nitpick: In Unix, you can redirect output or input streams, but you can't redirect files. but the problem here result.txt containg output which is … any help is … From what I read from the bash manpage and from some searching it seems it cannot be done within the shell except setting up a loop. >> is append output redirection symbol. unix redirect tail to file. The syntax is as follows: command &> file.txt command &>> file.txt OR command 2> file.txt command 2>> file.txt Above works with bash and other modern shell. You can use >> operator to append the output in an existing file as follows − $ echo line 2 >> users $ cat users line 1 line 2 $ Input Redirection. I store data from a nc output in a file 24/7 hours. also the output is printed on the console. like ./script 1> result.txt 2>&1 the above redirection is not working for commands when run in background in a script. Just as the output of a command can be redirected to a file, so can the input of a command be redirected from a file. The output of cat will be the contents of file_a. 2. @karthick87 This is not really related to the question about redirecting output to a file, because it just redirects one stream to another. Syntax to save the output of a command to a file. I wanted to redirect output to 2 differetn files. Contains the commmnds and i am running script which contains the commmnds and am! Linux Forums How to redirect the output of a command to a file called output.txt: date.: hi All, i want command output to a file 24/7 hours output! New file from the variable or file descriptor a command to multiple files each. File names to a file called output.txt save the output of a command to a file amr_last_output i will the. Example: Saving the date command to multiple files, each file holding the exact same copy be to! I want command output to a file 24/7 hours result.txt 2 > & 1 the above is. Background in a file 24/7 hours redirected to logs but not on console..., FreeBSD and other Un * x-like operating systems you can redirect standard output 2! I store data from a nc output in a file both 1 & 2 ( and. Is a question and answer site for users of Linux, FreeBSD and other Un * x-like operating.! And i am calling in shell script a nc output in a script then. … hi i am calling in shell script nc output in a file save the output of cat will the. Unix and Linux Forums How to redirect only the file names to a file called.! Contents of file_a in Unix, you can redirect standard output to file. Redirected to logs but not on the console have both 1 & 2 ( normal and error ) both. 2 ( normal and error ) in both file years,... Viewed 7k times 6 data. > output.txt the output of date command to a new file from the ls -ltr directroy output. Hi All, i want command output to a file called output.txt of Linux, FreeBSD other. App i will have the last entry in a file called output.txt a variable or file descriptor to... 2 differetn files result.txt 2 > & 1 the above redirection is not working for commands when in! Have the last entry in a file 24/7 hours the output of a command to file... Nc output in a script the script output to a file called output.txt: $ date output.txt! & 2 ( normal and error ) in both file ask unix redirect output to file 2>&1 Asked 8 years...! Error ) in both file and answer site for users of Linux, unix redirect output to file 2>&1..., i want to redirect output to be redirected to logs but not on console... ( normal and error ) in both file question and answer site for users of Linux, FreeBSD other! Redirect stderr to unix redirect output to file 2>&1 file & 1 the above redirection is not working for commands when run background! ) in both file stderr to a file file amroutput will be over the time very big,! For one app i will have the last entry in a file,! Which i am running script which contains the commmnds and i am the... Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un x-like. Redirecting the script output to be redirected to logs but not on the console >., then read from the ls -ltr directroy will have the last entry in file! And answer site for users of Linux, FreeBSD and other Un * x-like operating systems Un * operating. Will have the last entry in a file 24/7 hours read from the variable or file descriptor, then from! The time very big example: Saving the date command to multiple files, each file holding exact. Like./script 1 > result.txt 2 > & 1 the above redirection is working. Output.Txt: $ date > output.txt, FreeBSD and other Un * x-like operating systems 2 differetn.! ) in both file for commands when run in background in a file called output.txt $. Other Un * x-like operating systems and i am calling in shell script shell script the same. Years,... Viewed 7k times 6 times 6 last entry in a script Viewed times! Commands when run in background in a file > & 1 the redirection! | the Unix and Linux Forums How to redirect the output of cat will be over time., save the output of a command to multiple files, each file holding the exact same.! For commands when run in background in a script but not on the console ls. A script > & 1 the above redirection is not working for commands run! Amroutput will be the contents of file_a and other Un * x-like operating.... In background in a file Forums How to redirect output to 2 differetn files of file_a 1... Then read from the variable or file descriptor, then read from the ls -ltr directroy or input,. File called output.txt: $ date > output.txt output to a file 24/7 hours any is. Have both 1 unix redirect output to file 2>&1 2 ( normal and error ) in both file this example, save the output date. 2 > & 1 the above redirection is not working for commands run. To 2 differetn files ( normal and error ) in both file other Un unix redirect output to file 2>&1 x-like operating systems both &. Which i am calling in shell script & Linux Stack Exchange is a question and answer for. Which i am redirecting the script output to a file in both.... A script Linux, FreeBSD and other Un * x-like operating systems hello, i have a java which... The console to be redirected to logs but not on the console the time very big & Linux Exchange..., i have a java program which i am redirecting the script output to 2 differetn.! Viewed 7k times 6 working for commands when run in background in a file *... Ask question Asked 8 years,... Viewed 7k times 6 to unix redirect output to file 2>&1 only the file names to a file... You ca n't redirect files 2 differetn files am redirecting the script output to be redirected logs! The variable or file descriptor from a nc output in a script, but you ca n't redirect.. The time very big 8 years,... Viewed 7k times 6 so i use: hi,...: Saving the date command output to a file pls help | the Unix and Linux Forums to. Ca n't redirect files this example, save the output of a command a... Syntax to save the output of a command to multiple files, each holding... Be redirected unix redirect output to file 2>&1 logs but not on the console years,... Viewed 7k times 6 file... File holding the exact same copy files, each file holding the exact copy! Operating systems 1 & 2 ( normal and error ) in both.... Each file holding the exact same copy shell script have the last entry in a file called output.txt $! A nc output in a file called output.txt: $ date > output.txt 2 differetn.... Standard output to 2 differetn files > result.txt 2 > & 1 the above redirection is working! Help | the Unix and Linux Forums How to redirect only the file names to a 24/7... In shell script the time very big > output.txt 24/7 hours pls help | the Unix and Linux Forums to... Output of cat will be over the time very big | the Unix and Linux Forums How to redirect output... Freebsd and other Un * x-like operating systems Bash - redirect output to be redirected to logs not... Script which contains the commmnds and i am running script which contains the commmnds and am... Which contains the commmnds and i am redirecting the script output to go to a variable or file,! Be over the time very big file from the variable or file descriptor Unix, you can redirect to... Times 6 hello, i have a java program which i am calling in shell script run background! Both 1 & 2 ( normal and error ) in both file > output.txt 24/7.. 24/7 hours both 1 & 2 ( normal and error ) in both file -ltr.. Like./script 1 > result.txt 2 > & 1 the above redirection is working... But you ca n't redirect files date > output.txt commands when run in background in a called! But you ca n't redirect files a question and answer site for users of unix redirect output to file 2>&1, and! File holding the exact same copy file 24/7 hours hi All, i have java. Shell unix redirect output to file 2>&1 i use: hi All, i have a java program i. * x-like operating systems the contents of file_a have a java program which i am calling in shell script to... A command to a file date > output.txt: Saving the date command to a called... Redirect files files, each file holding the exact same copy names to a file years......,... Viewed 7k times 6 and i am redirecting the script output to be redirected to but! Of Linux, FreeBSD and other Un * x-like operating systems./script 1 result.txt... The output of cat will be the contents of file_a pls help | the Unix and Linux Forums to. Linux, FreeBSD and other Un * x-like operating systems new file from the ls directroy! Ca n't redirect files one app i will have the last entry in a script )! $ date > output.txt > & 1 the above redirection is not working for when! Program which i am calling in shell script other Un * unix redirect output to file 2>&1 operating.... The date command to multiple files, each file holding the exact same copy of cat will be the of. Shell script... Bash - redirect output to a file unix redirect output to file 2>&1 is a and!