get-start-date.in 908 Bytes
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#!/usr/bin/perl
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#
# EMULAB-COPYRIGHT
# Copyright (c) 2009 University of Utah and the Flux Group.
# All rights reserved.
#
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use strict;
use warnings;

our ($START);
require "@prefix@/etc/node_usage.conf";

chdir "@prefix@/data/node_usage";

open F, "node_usage.raw" or die;

my @hunt_for;

if (@ARGV == 0 || @ARGV % 2 != 0) {
    print "Usage: $0 <pc1> <num1> [<pc2> <num2> ...]\n";
    exit 1;
}

while (@ARGV) {
    push @hunt_for, [shift @ARGV, shift @ARGV];
}

while (<F>) {
    chop;
    s/^(\d+) (\d+) // or die;
    my $time = $2;
    my %d;
    while (s/^ ([\w\d\-\?]+): (\d+) (\d+) (\d+) //) {
	$d{$1} = [$2, $3, $4];
    }

    my $num_satisfied = 0;
    foreach my $e (@hunt_for) {
	$num_satisfied++ if defined $d{$e->[0]} && ($d{$e->[0]}[0]) == $e->[1];
    }
    if ($num_satisfied == @hunt_for) {
	print "$time\n";
	exit 0;
    }
}

print STDERR "No sutable date found.\n";
exit 2;