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Re^3: Scalar Value Not Available To Subroutine

by BrowserUk (Pope)
on Dec 20, 2012 at 18:04 UTC ( #1009772=note: print w/ replies, xml ) Need Help??

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  1. or download this
    my $i; 
    for $i ( 1..10 ){ 
    ...
    }; 
    print $i };;
    Use of uninitialized value $i in print at (eval 9) line 1, <STDIN> lin
    +e 1.
    
  2. or download this
    my $i;
    for $i ( 1 .. $N ) {
    ...
    }
    ## Here we have no way of knowing if we took an early exit;
    ## thus necessitating additional, unnecessary complexity to retain or 
    +discover that.
    

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