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(tye)Re: Sorting multi dimensional arrays

by tye (Sage)
on Mar 15, 2001 at 04:12 UTC ( #64569=note: print w/replies, xml ) Need Help??

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  1. or download this
    my $sample= [ [5,7,2], [9,4,8], [1,6,3] ];
    my @widths= map 0+@$_, @$sample;
    my @sort= sort map @$_, @$sample;
    $sample= [ map { [ splice @sort, 0, $_ ] } @widths ];
    
  2. or download this
    use mapcar;
    my $sample= [ [5,7,2], [9,4,8], [1,6,3] ];
    my @refs= sort {$$a cmp $$b} map \(@$_), @$sample;
    ...
        my( $ref, $val )= @_;
        $$ref= $val;
    } \@refs, [ map $$_, @refs ];
    

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