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Hash Keys (strings or numbers?)

by robot_tourist (Hermit)
on Nov 14, 2001 at 14:55 UTC ( #125289=perltutorial: print w/replies, xml ) Need Help??

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  1. or download this
    my $key1 = '00001';
    my $key2 = 1;
    ...
       $hash3{$key1} = 3;
    my %hash4;
       $hash4{$key2} = 4;
    
  2. or download this
    00001 == 1       That is: $key1 == $key2
    00001 ne 1       That is: $key1 ne $key2
    ...
    $hash3{$key2} is undef
    $hash4{$key1} is undef
    $hash4{$key2} == 4
    

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