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Calling a shell script from a perl script

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# 1  
Old 07-23-2009
Calling a shell script from a perl script


I have one shel script which returns some value and I am calling this shell script from a perl script which needs the out put/return value of shell script.
But I don't know how to collect the output/return value of the shell script. Can any one give some idea on it?

For example:
The shell script

if [ $1 == 0 ]
return 0
retunr 1

The perl script

$output = exec '', '$ctr';
print $output;

When I run the perl script, It doesn't print anything. Even I tried by replacing return with exit in the shell script but no luck.
# 2  
Old 07-23-2009
if [ $1 == 0 ]
     echo 'something'
     exit  0
    echo 'nothing'
exit 1

and you execute a command line in perl with backtics: `cmd`, not single (forward) tics

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