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;# ctime.pl is a simple Perl emulation for the well known ctime(3C) function. |
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# |
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# This library is no longer being maintained, and is included for backward |
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# compatibility with Perl 4 programs which may require it. |
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# |
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# In particular, this should not be used as an example of modern Perl |
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# programming techniques. |
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# |
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# Suggested alternative: the POSIX ctime function |
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;# |
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;# Waldemar Kebsch, Federal Republic of Germany, November 1988 |
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;# kebsch.pad@nixpbe.UUCP |
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;# Modified March 1990, Feb 1991 to properly handle timezones |
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;# $RCSfile: ctime.pl,v $$Revision: 4.1 $$Date: 92/08/07 18:23:47 $ |
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;# Marion Hakanson (hakanson@cse.ogi.edu) |
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;# Oregon Graduate Institute of Science and Technology |
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;# |
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;# usage: |
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;# |
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;# #include <ctime.pl> # see the -P and -I option in perl.man |
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;# $Date = &ctime(time); |
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CONFIG: { |
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package ctime; |
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@DoW = ('Sun','Mon','Tue','Wed','Thu','Fri','Sat'); |
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@MoY = ('Jan','Feb','Mar','Apr','May','Jun', |
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'Jul','Aug','Sep','Oct','Nov','Dec'); |
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} |
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sub ctime { |
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package ctime; |
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local($time) = @_; |
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local($[) = 0; |
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local($sec, $min, $hour, $mday, $mon, $year, $wday, $yday, $isdst); |
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# Determine what time zone is in effect. |
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# Use GMT if TZ is defined as null, local time if TZ undefined. |
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# There's no portable way to find the system default timezone. |
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$TZ = defined($ENV{'TZ'}) ? ( $ENV{'TZ'} ? $ENV{'TZ'} : 'GMT' ) : ''; |
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($sec, $min, $hour, $mday, $mon, $year, $wday, $yday, $isdst) = |
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($TZ eq 'GMT') ? gmtime($time) : localtime($time); |
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# Hack to deal with 'PST8PDT' format of TZ |
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# Note that this can't deal with all the esoteric forms, but it |
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# does recognize the most common: [:]STDoff[DST[off][,rule]] |
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if($TZ=~/^([^:\d+\-,]{3,})([+-]?\d{1,2}(:\d{1,2}){0,2})([^\d+\-,]{3,})?/){ |
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$TZ = $isdst ? $4 : $1; |
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} |
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$TZ .= ' ' unless $TZ eq ''; |
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$year += 1900; |
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sprintf("%s %s %2d %2d:%02d:%02d %s%4d\n", |
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$DoW[$wday], $MoY[$mon], $mday, $hour, $min, $sec, $TZ, $year); |
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} |
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1; |
