I think you want something like
my @sorted = sort { sorter($a, $b, $offset) } @list;
# ...
sub sorter {
my ($left, $right, $offset) = @_;
...
}
Update: working, if somewhat simplified example: sort by the second column.
#!/usr/bin/perl
use warnings;
use strict;
use Data::Dumper;
my @xx = ( 'dfb|cy|nmju', 'dfb|my|jhiho', 'aaa|zz|gggg' );
my @sorted_xx = sort { sorter($a, $b, 1) } @xx;
print Dumper \@xx;
print Dumper \@sorted_xx;
sub sorter {
my ($left, $right, $offset) = @_;
my @arr_a = split /\|/, $left;
my @arr_b = split /\|/, $right;
return $arr_a[$offset] cmp $arr_b[$offset];
}
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