Catching all Exit Codes - Shell Programming and Scripting

Sivaswami J · #1 (**permalink**) 02-16-2006

I have a Unix Script that has several exit in the middle. each returning seperate
exit codes.

I have to catch all the exit's and perform an operation say "Mail the status code" before the actual code completes.

How can i do this in KSH ?

vino · #2 (**permalink**) 02-16-2006

Introduce a function to catch all the exit codes.

Something like

Code:

 
EXIT_CODE=""

function assembleExitCode
{
EXIT_CODE="${EXIT_CODE} $@"
}

At every place where you are looking for an exit code, invoke the function as

Code:

assembleExitCode $?

At the end of the code,

Code:

if [[ x"$EXIT_CODE" != x ]] ; then
echo "Mail status"
fi ;

rajeeb_d · #3 (**permalink**) 02-16-2006

case $? in
1) echo "Exit message1";;
2) echo "Exit message2";;
.
.
.
esac

bigearsbilly · #4 (**permalink**) 02-16-2006

trap "command" EXIT

man ksh trap

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