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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 $$Revision: 4.1 $$Date: 92/08/07 18:23:47 $
;# 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;
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