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#!/usr/bin/env perl
use strict;
use warnings;
use Time::HiRes qw(gettimeofday);
if (@ARGV < 2) {
die "Usage: $0 <prefix> <command...>\n";
}
my ($prefix, @cmd) = @ARGV;
my ($sec, $msec) = gettimeofday();
my $pid = fork();
if (!defined($pid)) {
die "$0: Failure to fork(): $!\n";
}
elsif ($pid == 0) {
exec(@cmd);
die "$0: Failure to exec(): $!\n";
}
else {
$SIG{'INT'} = 'IGNORE';
$SIG{'QUIT'} = 'IGNORE';
if (waitpid($pid, 0) == -1) {
die "$0: Failure to waitpid(): $!\n";
}
my $exitcode = $? >> 8;
my ($sec2, $msec2) = gettimeofday();
my (undef, undef, $cuser, $csystem) = times();
printf STDERR "%s#%.2f#%.2f#%.2f\n",
$prefix, $cuser, $csystem,
($sec2 - $sec) + ($msec2 - $msec) / 1000000;
$SIG{'INT'} = 'DEFAULT';
$SIG{'QUIT'} = 'DEFAULT';
exit $exitcode;
}
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