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Re^2: What is true and false in Perl?

by Anonymous Monk
on Oct 17, 2012 at 17:07 UTC ( #999577=note: print w/replies, xml ) Need Help??

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  1. or download this
       if ( (undef,undef) ) { }   # a list of undefs is false
    
       @arr = (undef,undef);
       if ( @arr ) {}             # an array of undefs is true
    
  2. or download this
       $_ = 'x';
       if (($a,$b) = m/(.)(.)/) { }
    

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