| 1 | ;# ctime.pl is a simple Perl emulation for the well known ctime(3C) function. |
| 2 | # |
| 3 | # This library is no longer being maintained, and is included for backward |
| 4 | # compatibility with Perl 4 programs which may require it. |
| 5 | # |
| 6 | # In particular, this should not be used as an example of modern Perl |
| 7 | # programming techniques. |
| 8 | # |
| 9 | # Suggested alternative: the POSIX ctime function |
| 10 | ;# |
| 11 | ;# Waldemar Kebsch, Federal Republic of Germany, November 1988 |
| 12 | ;# kebsch.pad@nixpbe.UUCP |
| 13 | ;# Modified March 1990, Feb 1991 to properly handle timezones |
| 14 | ;# $RCSfile: ctime.pl,v $$Revision: 4.1 $$Date: 92/08/07 18:23:47 $ |
| 15 | ;# Marion Hakanson (hakanson@cse.ogi.edu) |
| 16 | ;# Oregon Graduate Institute of Science and Technology |
| 17 | ;# |
| 18 | ;# usage: |
| 19 | ;# |
| 20 | ;# #include <ctime.pl> # see the -P and -I option in perl.man |
| 21 | ;# $Date = &ctime(time); |
| 22 | |
| 23 | CONFIG: { |
| 24 | package ctime; |
| 25 | |
| 26 | @DoW = ('Sun','Mon','Tue','Wed','Thu','Fri','Sat'); |
| 27 | @MoY = ('Jan','Feb','Mar','Apr','May','Jun', |
| 28 | 'Jul','Aug','Sep','Oct','Nov','Dec'); |
| 29 | } |
| 30 | |
| 31 | sub ctime { |
| 32 | package ctime; |
| 33 | |
| 34 | local($time) = @_; |
| 35 | local($[) = 0; |
| 36 | local($sec, $min, $hour, $mday, $mon, $year, $wday, $yday, $isdst); |
| 37 | |
| 38 | # Determine what time zone is in effect. |
| 39 | # Use GMT if TZ is defined as null, local time if TZ undefined. |
| 40 | # There's no portable way to find the system default timezone. |
| 41 | |
| 42 | $TZ = defined($ENV{'TZ'}) ? ( $ENV{'TZ'} ? $ENV{'TZ'} : 'GMT' ) : ''; |
| 43 | ($sec, $min, $hour, $mday, $mon, $year, $wday, $yday, $isdst) = |
| 44 | ($TZ eq 'GMT') ? gmtime($time) : localtime($time); |
| 45 | |
| 46 | # Hack to deal with 'PST8PDT' format of TZ |
| 47 | # Note that this can't deal with all the esoteric forms, but it |
| 48 | # does recognize the most common: [:]STDoff[DST[off][,rule]] |
| 49 | |
| 50 | if($TZ=~/^([^:\d+\-,]{3,})([+-]?\d{1,2}(:\d{1,2}){0,2})([^\d+\-,]{3,})?/){ |
| 51 | $TZ = $isdst ? $4 : $1; |
| 52 | } |
| 53 | $TZ .= ' ' unless $TZ eq ''; |
| 54 | |
| 55 | $year += 1900; |
| 56 | sprintf("%s %s %2d %2d:%02d:%02d %s%4d\n", |
| 57 | $DoW[$wday], $MoY[$mon], $mday, $hour, $min, $sec, $TZ, $year); |
| 58 | } |
| 59 | 1; |