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Re^2: Replacing values in an array

by eyepopslikeamosquito (Chancellor)
on Jan 27, 2013 at 01:31 UTC ( #1015556=note: print w/replies, xml ) Need Help??

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  1. or download this
    use strict;
    use warnings;
    ...
    my ( $n,  %h ) = -1;
    $_ = $h{$_} //= $n+=2 for @a;
    print Dumper \@a;
    
  2. or download this
    my ( $n,  %h ) = -1;
    $_ = $h{$_} //= $n+=2 for @a;
    
  3. or download this
    $_=$h{$_}//=$}+=2-!$}for@a;