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| 129 | .\" ======================================================================== |
| 130 | .\" |
| 131 | .IX Title "Date::Parse 3" |
| 132 | .TH Date::Parse 3 "2002-06-06" "perl v5.8.0" "User Contributed Perl Documentation" |
| 133 | .SH "NAME" |
| 134 | Date::Parse \- Parse date strings into time values |
| 135 | .SH "SYNOPSIS" |
| 136 | .IX Header "SYNOPSIS" |
| 137 | .Vb 1 |
| 138 | \& use Date::Parse; |
| 139 | .Ve |
| 140 | .PP |
| 141 | .Vb 1 |
| 142 | \& $time = str2time($date); |
| 143 | .Ve |
| 144 | .PP |
| 145 | .Vb 1 |
| 146 | \& ($ss,$mm,$hh,$day,$month,$year,$zone) = strptime($date); |
| 147 | .Ve |
| 148 | .SH "DESCRIPTION" |
| 149 | .IX Header "DESCRIPTION" |
| 150 | \&\f(CW\*(C`Date::Parse\*(C'\fR provides two routines for parsing date strings into time values. |
| 151 | .IP "str2time(\s-1DATE\s0 [, \s-1ZONE\s0])" 4 |
| 152 | .IX Item "str2time(DATE [, ZONE])" |
| 153 | \&\f(CW\*(C`str2time\*(C'\fR parses \f(CW\*(C`DATE\*(C'\fR and returns a unix time value, or undef upon failure. |
| 154 | \&\f(CW\*(C`ZONE\*(C'\fR, if given, specifies the timezone to assume when parsing if the |
| 155 | date string does not specify a timezome. |
| 156 | .IP "strptime(\s-1DATE\s0 [, \s-1ZONE\s0])" 4 |
| 157 | .IX Item "strptime(DATE [, ZONE])" |
| 158 | \&\f(CW\*(C`strptime\*(C'\fR takes the same arguments as str2time but returns an array of |
| 159 | values \f(CW\*(C`($ss,$mm,$hh,$day,$month,$year,$zone)\*(C'\fR. Elements are only defined |
| 160 | if they could be extracted from the date string. The \f(CW$zone\fR element is |
| 161 | the timezone offset in seconds from \s-1GMT\s0. An empty array is returned upon |
| 162 | failure. |
| 163 | .SH "MULTI-LANGUAGE SUPPORT" |
| 164 | .IX Header "MULTI-LANGUAGE SUPPORT" |
| 165 | Date::Parse is capable of parsing dates in several languages, these are |
| 166 | English, French, German and Italian. Changing the language is done via |
| 167 | a static method call, for example |
| 168 | .Sp |
| 169 | .Vb 1 |
| 170 | \& Date::Parse->language('German'); |
| 171 | .Ve |
| 172 | .Sp |
| 173 | will cause Date::Parse to attempt to parse any subsequent dates in German. |
| 174 | .Sp |
| 175 | This is only a first pass, I am considering changing this to be |
| 176 | .Sp |
| 177 | .Vb 2 |
| 178 | \& $lang = Date::Language->new('German'); |
| 179 | \& $lang->str2time("25 Jun 1996 21:09:55 +0100"); |
| 180 | .Ve |
| 181 | .Sp |
| 182 | I am open to suggestions on this. |
| 183 | .SH "EXAMPLE DATES" |
| 184 | .IX Header "EXAMPLE DATES" |
| 185 | Below is a sample list of dates that are known to be parsable with Date::Parse |
| 186 | .Sp |
| 187 | .Vb 11 |
| 188 | \& 1995:01:24T09:08:17.1823213 ISO-8601 |
| 189 | \& 1995-01-24T09:08:17.1823213 |
| 190 | \& Wed, 16 Jun 94 07:29:35 CST Comma and day name are optional |
| 191 | \& Thu, 13 Oct 94 10:13:13 -0700 |
| 192 | \& Wed, 9 Nov 1994 09:50:32 -0500 (EST) Text in ()'s will be ignored. |
| 193 | \& 21 dec 17:05 Will be parsed in the current time zone |
| 194 | \& 21-dec 17:05 |
| 195 | \& 21/dec 17:05 |
| 196 | \& 21/dec/93 17:05 |
| 197 | \& 1999 10:02:18 "GMT" |
| 198 | \& 16 Nov 94 22:28:20 PST |
| 199 | .Ve |
| 200 | .SH "BUGS" |
| 201 | .IX Header "BUGS" |
| 202 | When both the month and the date are specified in the date as numbers |
| 203 | they are always parsed assuming that the month number comes before the |
| 204 | date. This is the usual format used in American dates. |
| 205 | .Sp |
| 206 | The reason why it is like this and not dynamic is that it must be |
| 207 | deterministic. Several people have suggested using the current locale, |
| 208 | but this will not work as the date being parsed may not be in the format |
| 209 | of the current locale. |
| 210 | .Sp |
| 211 | My plans to address this, which will be in a future release, is to allow |
| 212 | the programmer to state what order they want these values parsed in. |
| 213 | .SH "AUTHOR" |
| 214 | .IX Header "AUTHOR" |
| 215 | Graham Barr <gbarr@pobox.com> |
| 216 | .SH "COPYRIGHT" |
| 217 | .IX Header "COPYRIGHT" |
| 218 | Copyright (c) 1995 Graham Barr. All rights reserved. This program is free |
| 219 | software; you can redistribute it and/or modify it under the same terms |
| 220 | as Perl itself. |