Get Last Error Message Linux
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Bash Error Message Variable
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Bash Capture Error Message
Ask Question _ Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. Join them; it only takes a minute: bash get error message Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top How to capture error message from executed command? up vote 5 down vote favorite 1 I was tasked to create an automated server hardening script and one thing that they need is a report of all the output of bash print error message each command executed. I want to store the error message inside a string and append it in a text file. Let's say I ran this command: /sbin/modprobe -n -v hfsplus The output of running this in my machine would be: FATAL: Module hfsplus not found How can I store that error message inside a string? Any help would be greatly appreciated. Thanks! bash scripting string share|improve this question asked May 29 '14 at 7:25 Miguel Roque 1173412 I tried running this command: var=$(/sbin/modprobe -n -v hfsplush) And then displaying it: $var But it still doesn't capture the error message inside the string. –Miguel Roque May 29 '14 at 7:42 add a comment| 4 Answers 4 active oldest votes up vote 10 down vote you can do it by redirecting errors command: /sbin/modprobe -n -v hfsplus 2> fileName as a script #!/bin/bash errormessage=$( /sbin/modprobe -n -v hfsplus 2> &1) echo $errormessage or #!/bin/bash errormessage=`/sbin/modprobe -n -v hfsplus 2> &1 ` echo $errormessage if you want to append the error use >> instead of > share|improve this answer edited May 29 '14 at 7:48 answered May 29
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Shell Script Error Handling
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Bash Catch Error
Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top How can I get the error code (exit code) of “xdg-mime query filetype” command? up vote 0 down vote favorite http://unix.stackexchange.com/questions/132511/how-to-capture-error-message-from-executed-command I ran xdg-mime query filetype
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here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Error handling in BASH up vote 144 down vote favorite 109 What is your favorite method to handle errors in BASH? The best example of handling errors in BASH I have found on the web was written by William Shotts, Jr at http://www.linuxcommand.org. William Shotts, Jr suggests using the following function for error handling in BASH: #!/bin/bash # A slicker error handling routine # I put a variable in my scripts named PROGNAME which # holds the name of the program being run. You can get this # value from the first item on the command line ($0). # Reference: This was copied from