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- ;# ctime.pl is a simple Perl emulation for the well known ctime(3C) function.
- ;#
- ;# Waldemar Kebsch, Federal Republic of Germany, November 1988
- ;# kebsch.pad@nixpbe.UUCP
- ;# Modified March 1990, Feb 1991 to properly handle timezones
- ;# $RCSfile: ctime.pl,v $$Revision: 4.0.1.1 $$Date: 92/06/08 13:38:06 $
- ;# Marion Hakanson (hakanson@cse.ogi.edu)
- ;# Oregon Graduate Institute of Science and Technology
- ;#
- ;# usage:
- ;#
- ;# #include <ctime.pl> # see the -P and -I option in perl.man
- ;# $Date = &ctime(time);
-
- CONFIG: {
- package ctime;
-
- @DoW = ('Sun','Mon','Tue','Wed','Thu','Fri','Sat');
- @MoY = ('Jan','Feb','Mar','Apr','May','Jun',
- 'Jul','Aug','Sep','Oct','Nov','Dec');
- }
-
- sub ctime {
- package ctime;
-
- local($time) = @_;
- local($[) = 0;
- local($sec, $min, $hour, $mday, $mon, $year, $wday, $yday, $isdst);
-
- # Determine what time zone is in effect.
- # Use GMT if TZ is defined as null, local time if TZ undefined.
- # There's no portable way to find the system default timezone.
-
- $TZ = defined($ENV{'TZ'}) ? ( $ENV{'TZ'} ? $ENV{'TZ'} : 'GMT' ) : '';
- ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday, $isdst) =
- ($TZ eq 'GMT') ? gmtime($time) : localtime($time);
-
- # Hack to deal with 'PST8PDT' format of TZ
- # Note that this can't deal with all the esoteric forms, but it
- # does recognize the most common: [:]STDoff[DST[off][,rule]]
-
- if($TZ=~/^([^:\d+\-,]{3,})([+-]?\d{1,2}(:\d{1,2}){0,2})([^\d+\-,]{3,})?/){
- $TZ = $isdst ? $4 : $1;
- }
- $TZ .= ' ' unless $TZ eq '';
-
- $year += ($year < 70) ? 2000 : 1900;
- sprintf("%s %s %2d %2d:%02d:%02d %s%4d\n",
- $DoW[$wday], $MoY[$mon], $mday, $hour, $min, $sec, $TZ, $year);
- }
- 1;
-