Bash Error Messages
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Error Messages The Terminal
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Bash Exit With Error Message
only takes a minute: 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
Bash Get Error Message
report of all the output of 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 1172412 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 > sh
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Bash Throw Error
ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community bash error redirect 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 exit with error message in bash (oneline) up vote 11 http://unix.stackexchange.com/questions/132511/how-to-capture-error-message-from-executed-command down vote favorite 1 Is it possible to exit on error, with a message, without using if statements? [[ $TRESHOLD =~ ^[0-9]+$ ]] || exit ERRCODE "Threshold must be an integer value!" Of course the right side of || won't work, just to give you better idea of what I am trying to accomplish. Actually, I don't even mind with which ERR code it's gonna exit, just to show http://stackoverflow.com/questions/24597818/exit-with-error-message-in-bash-oneline the message. EDIT I know this will work, but how to suppress numeric arg required showing after my custom message? [[ $TRESHOLD =~ ^[0-9]+$ ]] || exit "Threshold must be an integer value!" bash message exit share|improve this question edited Jul 6 '14 at 16:23 asked Jul 6 '14 at 16:15 branquito 8891027 add a comment| 2 Answers 2 active oldest votes up vote 13 down vote accepted exit doesn't take more than one argument. To print any message like you want, you can use echo and then exit. [[ $TRESHOLD =~ ^[0-9]+$ ]] || \ { echo "Threshold must be an integer value!"; exit $ERRCODE; } share|improve this answer answered Jul 6 '14 at 16:22 P.P. 57.9k768118 The trick was using {. Great. –branquito Jul 6 '14 at 16:27 Can you explain from where it was comming the message numeric argument required, and why I couldn't disable it with 2>/dev/null? –branquito Jul 6 '14 at 16:28 Likely that TRESHOLD is empty. echo goes to stdout. So redirecting 2 will not work. You can print to stderr: [[ $TRESHOLD =~ ^[0-9]+$ ]] || { echo 1>&2 "Threshold must be an integer value!"; exit $ERRCODE; } –P.P.
communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start 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 http://askubuntu.com/questions/29412/how-to-get-nicer-error-messages-in-this-bash-script Learn more about Stack Overflow the company Business Learn more about hiring developers https://ubuntuforums.org/showthread.php?t=689289 or posting ads with us Ask Ubuntu Questions Tags Users Badges Unanswered Ask Question _ Ask Ubuntu is a question and answer site for Ubuntu users and developers. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up error message and rise to the top How to get nicer error-messages in this bash-script? up vote 1 down vote favorite 1 I'm trying to catch any error when run a command in order to write a log-file / report I've tried this code: function valid (){ if [ $? -eq 0 ]; then echo "$var1" ": status : OK" else echo "$var1" ": status : ERROR" fi } function save(){ bash error message sed -i "/:@/c connection.url=jdbc:oracle:thin:@$ip:1521:$dataBase" $search var1="adding database ip" valid $var1 sed -i "/connection.username/c connection.username=$name" #$search var1="addning database SID" valid $var1 } save The output looks like this: adding database ip : status : OK sed: no input file But I want it to look like this: adding database ip : status : OK sed: no input file : status : ERROR" or this: adding database ip : status : OK addning database SID : status : ERROR" I've been trying, but it's not working with me. :( command-line bash share|improve this question edited Mar 7 '11 at 16:43 asked Mar 7 '11 at 16:15 moata_u 71861523 Can you post syntaxically correct code? Your valid() function is missing }. What do you want to achieve? Replacing lines matching :@ with connec...database? Or replace occurences of :@ in string $search by the text? –Lekensteyn Mar 7 '11 at 16:37 thanks 4 reply , Replacing :@ with connec..database , but this is not the problem every thing is going fine the things that am asking is out put of execution these command..$search variable is the path of file that to be changed .... –moata_u Mar 7 '11 at 16:46 add a comment| 1
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