1 ;# ctime.pl is a simple Perl emulation for the well known ctime(3C) function.
3 # This library is no longer being maintained, and is included for backward
4 # compatibility with Perl 4 programs which may require it.
5 # This legacy library is deprecated and will be removed in a future
8 # In particular, this should not be used as an example of modern Perl
9 # programming techniques.
11 # Suggested alternative: the POSIX ctime function
13 warn( "The 'ctime.pl' legacy library is deprecated and will be"
14 . " removed in the next major release of perl. Please use the"
15 . " POSIX module (ctime function) instead." );
18 ;# Waldemar Kebsch, Federal Republic of Germany, November 1988
19 ;# kebsch.pad@nixpbe.UUCP
20 ;# Modified March 1990, Feb 1991 to properly handle timezones
21 ;# $RCSfile: ctime.pl,v $$Revision: 4.1 $$Date: 92/08/07 18:23:47 $
22 ;# Marion Hakanson (hakanson@cse.ogi.edu)
23 ;# Oregon Graduate Institute of Science and Technology
27 ;# #include <ctime.pl> # see the -P and -I option in perl.man
28 ;# $Date = &ctime(time);
33 @DoW = ('Sun','Mon','Tue','Wed','Thu','Fri','Sat');
34 @MoY = ('Jan','Feb','Mar','Apr','May','Jun',
35 'Jul','Aug','Sep','Oct','Nov','Dec');
43 local($sec, $min, $hour, $mday, $mon, $year, $wday, $yday, $isdst);
45 # Determine what time zone is in effect.
46 # Use GMT if TZ is defined as null, local time if TZ undefined.
47 # There's no portable way to find the system default timezone.
49 $TZ = defined($ENV{'TZ'}) ? ( $ENV{'TZ'} ? $ENV{'TZ'} : 'GMT' ) : '';
50 ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday, $isdst) =
51 ($TZ eq 'GMT') ? gmtime($time) : localtime($time);
53 # Hack to deal with 'PST8PDT' format of TZ
54 # Note that this can't deal with all the esoteric forms, but it
55 # does recognize the most common: [:]STDoff[DST[off][,rule]]
57 if($TZ=~/^([^:\d+\-,]{3,})([+-]?\d{1,2}(:\d{1,2}){0,2})([^\d+\-,]{3,})?/){
58 $TZ = $isdst ? $4 : $1;
60 $TZ .= ' ' unless $TZ eq '';
63 sprintf("%s %s %2d %2d:%02d:%02d %s%4d\n",
64 $DoW[$wday], $MoY[$mon], $mday, $hour, $min, $sec, $TZ, $year);