troubleshooting Question

Execute command and return error

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TonyJix asked on
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How do I let perl execute a command and return a possible error?

RM file.txt - in shell this would return an error: No such file.
Perl however won't give that error... Is it possible to let perl display that error?

See, I want to start a program using perl, but now I have no idea whether it started or not.
And if It didn't, then i want to know why (error).

print "Content-type:text/html\n\n";
$res = `rm file.txt`;
print $res;

Thank you.
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