The following is a variation on the 'Schwartzian' transform (Ref: FAQ How do I sort an array by (anything)?.) Map your array into one that can be sorted easily, sort it, and extract the results.
use strict; use warnings; use Test::More tests=>1; my @transcripts = qw( t1 t1 t2 t2 t1 t2 ); my @alles = qw( a1 a2 a1 a2 a3 a3 ); my @effects = qw( mis mis mis mis del del ); my @transpose_matrix = map { [shift(@transcripts), shift(@alles), shift(@effects)] } 0. +.5; my @sorted_transpose = sort{ $a->[0] cmp $b->[0] or $a->[1] cmp $b->[1] } @transpose_ma +trix; my @sorted_effects = map {$_->[2]} @sorted_transpose; is_deeply( \@sorted_effects, [qw(mis mis del mis mis del)], 'sort by r +ow');

UPDATE: Use of zip_by of List::UtilsBy allows the Schwartzian Transform to be coded in the usual way without any explicit loop.

use strict; use warnings; use Test::More tests=>1; use List::UtilsBy qw(zip_by); my @transcripts = qw( t1 t1 t2 t2 t1 t2 ); my @alles = qw( a1 a2 a1 a2 a3 a3 ); my @effects = qw( mis mis mis mis del del ); my @matrix = (\@transcripts, \@alles, \@effects); my @sorted_effects = map {$_->[2]} sort{ $a->[0] cmp $b->[0] or $a->[1] cmp $b->[1] } zip_by {[@_]} \@transcripts, \@alles, \@effects; is_deeply( \@sorted_effects, [qw(mis mis del mis mis del)], 'sort by r +ow');

Result:

1..1 ok 1 - sort by row
Bill

In reply to Re: Sort a matrix by row by BillKSmith
in thread Sort a matrix by row by soblanc

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