#!/usr/bin/perl
use strict;
use warnings;
use feature qw/ say /;

my $first = ( split ',', <DATA> )[0];

say $first;

__DATA__
1424621700, 2015-02-22 16:15:00, 4294.700
1424621760, 2015-02-22 16:16:00, 4289.700
1424621820, 2015-02-22 16:17:00, 4299.800
1424621880, 2015-02-22 16:18:00, 4302.800
1424621940, 2015-02-22 16:19:00, 4296.900
1424622000, 2015-02-22 16:20:00, 4301.000
1424622060, 2015-02-22 16:21:00, 4300.300

[download]
$ perl 1140499.pl
1424621700
$

[download]

++james28909 for making me see it more simply.

The way forward always starts with a minimal test.

In reply to Re: How do I select first string of a two dimensional array to compare to other values? by 1nickt
in thread How do I select first string of a two dimensional array to compare to other values? by joi1369

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