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Re: how does perl handle variables

by marto (Cardinal)
on May 17, 2013 at 11:41 UTC ( [id://1033964]=note: print w/replies, xml ) Need Help??

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  1. or download this
    #!/usr/bin/perl
    
    ...
        print "i: $i - s: $s\n";
    }
    print $s;
    
  2. or download this
    D:\>perl derp.pl
    i: 1 - s: 1
    ...
    Argument "f" isn't numeric in addition (+) at derp.pl line 10.
    i: f - s: 10
    10
    

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