#!/usr/bin/env perl

delete @ENV{qw(PATH)};
$ENV{PATH} = '/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/local/sbin';

#get load avg for 1;5;10 min
open(PROCESS, "env LC_ALL=C uptime |");
$avg = <PROCESS>;
close(PROCESS);

#   9:36pm  up 15 days, 11:37,  2 users,  load average: 0.14, 0.13, 0.10

$avg =~ s/^.*:\s(\d+\.\d{2}),?\s(\d+\.\d{2}),?\s(\d+\.\d{2})$//;

print "1min:$1 5min:$2 10min:$3";