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Shell store or return output of a command in a variable
This is a discussion on Shell store or return output of a command in a variable within the Shell scripting forums, part of the Development/Scripting category; I can store command output using $(cmd) or `cmd`. But how do get stdout+stderr in a variable? Also, some script ...
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07-04-2009, 12:40 PM
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Shell store or return output of a command in a variable
I can store command output using $(cmd) or `cmd`. But how do get stdout+stderr in a variable? Also, some script has $?
Code:
ret=$? return $ret Last edited by nixcraft; 07-06-2009 at 11:54 AM. 
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07-04-2009, 12:46 PM
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Quote:
Code:
cmd1 ret=$? return $ret Code:
tar -zcvf /dev/st0 /home && echo "Backup done" || echo "Backup Failed" Quote:
Code:
output=$(cmd1 2>&1) Code:
output=`command-name 2>&1`
__________________
Vivek Gite Linux Evangelist  Be proud RHEL user, and let the world know about your enterprise choices! Join RedHat user group. Always use CODE tags for posting system output and commands! Do you run a Linux? Let's face it, you need help
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07-05-2009, 08:42 PM
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Quote:
Code:
var=$(cmd1 2>&1) Code:
var=$(cmd1 2>&1 >/dev/null)
__________________
Vivek Gite Linux Evangelist Be proud RHEL user, and let the world know about your enterprise choices! Join RedHat user group. Always use CODE tags for posting system output and commands! Do you run a Linux? Let's face it, you need help
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| The Following User Says Thank You to nixcraft For This Useful Post: | ||
chimu (07-05-2009)
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07-05-2009, 08:47 PM
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Quote:
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| Tags |
| bash , csh , exit status , ksh , return value , scripting , shell store output , var=$(cmd1 2>&1 >/dev/null) , var=$(cmd1 2>&1) |
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