freebsd-dev/scripts/update-leap/update-leap-opts

# EDIT THIS FILE WITH CAUTION  (update-leap-opts)
#
# It has been AutoGen-ed  June  2, 2016 at 07:25:39 AM by AutoGen 5.18.5
# From the definitions    update-leap-opts.def
# and the template file   perlopt

use Getopt::Long qw(GetOptionsFromArray);
Getopt::Long::Configure(qw(no_auto_abbrev no_ignore_case_always));

my $usage;

sub usage {
    my ($ret) = @_;
    print STDERR $usage;
    exit $ret;
}

sub paged_usage {
    my ($ret) = @_;
    my $pager = $ENV{PAGER} || '(less || more)';

    open STDOUT, "| $pager" or die "Can't fork a pager: $!";
    print $usage;

    exit $ret;
}

sub processOptions {
    my $args = shift;

    my $opts = {
        'source-url' => '',
        'ipv4' => '',
        'destination' => '',
        'expiration' => '',
        'ntp-conf-file' => '',
        'force-update' => '',
        'dont-wait' => '',
        'help' => '', 'more-help' => ''
    };
    my $argument = '';
    my $ret = GetOptionsFromArray($args, $opts, (
        'source-url|s=s', 'ipv4|4', 'destination|d=f',
        'expiration|e=s', 'ntp-conf-file|f=s', 'force-update|F',
        'dont-wait',
        'help|?', 'more-help'));

    $usage = <<'USAGE';
update-leap - leap-seconds file manager/updater - Ver. 4.2.8p8
USAGE: update-leap [ -<flag> [<val>] | --<name>[{=| }<val>] ]... 

    -s, --source-url=str         The URL of the master copy of the leapseconds file
    -4, --ipv4                   Use only IPv4 addresses for DNS name resolution
    -d, --destination=float      Filename on the local system
    -e, --expiration=str         Refresh the leapfile this long before it expires
    -f, --ntp-conf-file=str      Location of the ntp.conf file
    -F, --force-update           Force update of the leapfile
        --dont-wait              Don't wait for keystroke between plots
    -?, --help                   Display usage information and exit
        --more-help              Pass the extended usage text through a pager

Options are specified by doubled hyphens and their name or by a single
hyphen and the flag character.
USAGE

    usage(0)       if $opts->{'help'};
    paged_usage(0) if $opts->{'more-help'};
    $_[0] = $opts;
    return $ret;
}

END { close STDOUT };