Why not make it a hash of array references, as in:

use strict;
use warnings;
use Data::Dumper;

my $hash = {
  'IL12::1::287' => [6,-17,-9,-21,-24,-15,-2,11,4,4,-15,-26, ...],
  'IL12::1::329' => [-25,-18,-28,23,17,1,-3,-23],

  ...
}
print Dumper($hash);

[download]

You'll need to split each line and shift off the first element to get the hash key (ie. 'IL12::1::287').

I'm not sure which lines you're going to compare. Could you please explain this more?


Where do you want *them* to go today?

In reply to Re: how to make first element of an string as a the array name by thezip
in thread how to make first element of an string as a the array name by koleti

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