1# EDIT THIS FILE WITH CAUTION (ntptrace-opts) 2# 3# It has been AutoGen-ed June 2, 2016 at 07:24:57 AM by AutoGen 5.18.5 4# From the definitions ntptrace-opts.def 5# and the template file perlopt 6 7use Getopt::Long qw(GetOptionsFromArray); 8Getopt::Long::Configure(qw(no_auto_abbrev no_ignore_case_always)); 9 10my $usage; 11 12sub usage { 13 my ($ret) = @_; 14 print STDERR $usage; 15 exit $ret; 16} 17 18sub paged_usage { 19 my ($ret) = @_; 20 my $pager = $ENV{PAGER} || '(less || more)'; 21 22 open STDOUT, "| $pager" or die "Can't fork a pager: $!"; 23 print $usage; 24 25 exit $ret; 26} 27 28sub processOptions { 29 my $args = shift; 30 31 my $opts = { 32 'numeric' => '', 33 'max-hosts' => '99', 34 'host' => '127.0.0.1', 35 'help' => '', 'more-help' => '' 36 }; 37 my $argument = '[host]'; 38 my $ret = GetOptionsFromArray($args, $opts, ( 39 'numeric|n', 'max-hosts|m=i', 'host|r=s', 40 'help|?', 'more-help')); 41 42 $usage = <<'USAGE'; 43ntptrace - Trace peers of an NTP server - Ver. 4.2.8p8 44USAGE: ntptrace [ -<flag> [<val>] | --<name>[{=| }<val>] ]... [host] 45 46 -n, --numeric Print IP addresses instead of hostnames 47 -m, --max-hosts=num Maximum number of peers to trace 48 -r, --host=str Single remote host 49 -?, --help Display usage information and exit 50 --more-help Pass the extended usage text through a pager 51 52Options are specified by doubled hyphens and their name or by a single 53hyphen and the flag character. 54USAGE 55 56 usage(0) if $opts->{'help'}; 57 paged_usage(0) if $opts->{'more-help'}; 58 $_[0] = $opts; 59 return $ret; 60} 61 62END { close STDOUT }; 63