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Re: Sorting multiple arrays

by Codon (Friar)
on Sep 13, 2005 at 16:09 UTC ( #491615=note: print w/ replies, xml ) Need Help??

in reply to Sorting multiple arrays

merlyn had probably the most simple solution. I, however, like the creative solution. AoH or Hash based solutions are obvious. How's this for a unique method:
my @a = qw(fred bob john peter); my @b = ( 2, 1, 4, 3 ); my @a_sorted = @b_sorted = (); push( @{ ($|-- ? \@b_sorted : \@a_sorted ) }, $_ ) for map { @$_ } sort { $a->[1] <=> $b->[1] } map { [ $a[$_], $b[$_] ] } (0 .. $#b); print " $a_sorted[$_] => $b_sorted[$_] \n" for ( 0 .. $#b_sorted );
The one thing that I don't like about this is that it does not sort in place. It requires the creation of two new sorted arrays. :-(

Ivan Heffner
Sr. Software Engineer, DAS Lead, Inc.

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