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This could have DWIM better

by Aristotle (Chancellor)
on Mar 01, 2006 at 16:54 UTC ( #533694=perlmeditation: print w/replies, xml ) Need Help??

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  1. or download this
    $foo if defined $str and length $str;
    
  2. or download this
    $foo if $str;
    
  3. or download this
    BEGIN {
        *CORE::GLOBAL::length = sub(;$) {
            defined $_[0] ? CORE::length( $_[0] ) : undef;
        };
    }
    
  4. or download this
    $foo if length $str;
    

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