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Diffstat (limited to 'gnu/usr.bin/perl/lib/ctime.pl')
-rw-r--r-- | gnu/usr.bin/perl/lib/ctime.pl | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/gnu/usr.bin/perl/lib/ctime.pl b/gnu/usr.bin/perl/lib/ctime.pl new file mode 100644 index 0000000..4c59754 --- /dev/null +++ b/gnu/usr.bin/perl/lib/ctime.pl @@ -0,0 +1,51 @@ +;# 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 $$Revision: 1.1.1.1 $$Date: 1993/08/23 21:29:52 $ +;# 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; |