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Backticks and exit status

by space_monk (Chaplain)
on Oct 31, 2012 at 14:25 UTC ( [id://1001671]=note: print w/replies, xml ) Need Help??

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  1. or download this
    #!/bin/perl
    # first command deliberately generates an error....
    ...
    print "ls Output:\n";
    print `ls -l`;
    print "ls Result: $?\n";
    
  2. or download this
    Rubbish Result: -1
    ls Output:
    ...
    -rwxr-xr-x 1 Userid Domain Users  351 Oct 30 10:48 test.pl
    -rwxr-xr-x 1 Userid Domain Users  108 Oct 31 14:21 var.pl
    ls Result: 0
    

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