2
# Get modification time of a file or directory and pretty-print it.
4
scriptversion=2005-06-29.22
6
# Copyright (C) 1995, 1996, 1997, 2003, 2004, 2005 Free Software
8
# written by Ulrich Drepper <drepper@gnu.ai.mit.edu>, June 1995
10
# This program is free software; you can redistribute it and/or modify
11
# it under the terms of the GNU General Public License as published by
12
# the Free Software Foundation; either version 2, or (at your option)
15
# This program is distributed in the hope that it will be useful,
16
# but WITHOUT ANY WARRANTY; without even the implied warranty of
17
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18
# GNU General Public License for more details.
20
# You should have received a copy of the GNU General Public License
21
# along with this program; if not, write to the Free Software Foundation,
22
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
24
# As a special exception to the GNU General Public License, if you
25
# distribute this file as part of a program that contains a
26
# configuration script generated by Autoconf, you may include it under
27
# the same distribution terms that you use for the rest of that program.
29
# This file is maintained in Automake, please report
30
# bugs to <bug-automake@gnu.org> or send patches to
31
# <automake-patches@gnu.org>.
35
echo "$0: No file. Try \`$0 --help' for more information." 1>&2
40
Usage: mdate-sh [--help] [--version] FILE
42
Pretty-print the modification time of FILE.
44
Report bugs to <bug-automake@gnu.org>.
49
echo "mdate-sh $scriptversion"
54
# Prevent date giving response in another language.
62
# GNU ls changes its time format in response to the TIME_STYLE
63
# variable. Since we cannot assume `unset' works, revert this
64
# variable to its documented default.
65
if test "${TIME_STYLE+set}" = set; then
66
TIME_STYLE=posix-long-iso
72
# Find out how to get the extended ls output of a file or directory.
73
if ls -L /dev/null 1>/dev/null 2>&1; then
74
ls_command='ls -L -l -d'
79
# A `ls -l' line looks as follows on OS/2.
80
# drwxrwx--- 0 Aug 11 2001 foo
81
# This differs from Unix, which adds ownership information.
82
# drwxrwx--- 2 root root 4096 Aug 11 2001 foo
84
# To find the date, we split the line on spaces and iterate on words
85
# until we find a month. This cannot work with files whose owner is a
86
# user named `Jan', or `Feb', etc. However, it's unlikely that `/'
87
# will be owned by a user whose name is a month. So we first look at
88
# the extended ls output of the root directory to decide how many
89
# words should be skipped to get the date.
91
# On HPUX /bin/sh, "set" interprets "-rw-r--r--" as options, so the "x" below.
94
# Find which argument is the month.
100
# Add another shift to the command.
101
command="$command shift;"
103
Jan) month=January; nummonth=1;;
104
Feb) month=February; nummonth=2;;
105
Mar) month=March; nummonth=3;;
106
Apr) month=April; nummonth=4;;
107
May) month=May; nummonth=5;;
108
Jun) month=June; nummonth=6;;
109
Jul) month=July; nummonth=7;;
110
Aug) month=August; nummonth=8;;
111
Sep) month=September; nummonth=9;;
112
Oct) month=October; nummonth=10;;
113
Nov) month=November; nummonth=11;;
114
Dec) month=December; nummonth=12;;
118
# Get the extended ls output of the file or directory.
119
set dummy x`eval "$ls_command \"\$save_arg1\""`
121
# Remove all preceding arguments
124
# Because of the dummy argument above, month is in $2.
126
# On a POSIX system, we should have
135
# On Darwin 7.7.0 and 7.6.0, we have
145
Jan) month=January; nummonth=1;;
146
Feb) month=February; nummonth=2;;
147
Mar) month=March; nummonth=3;;
148
Apr) month=April; nummonth=4;;
149
May) month=May; nummonth=5;;
150
Jun) month=June; nummonth=6;;
151
Jul) month=July; nummonth=7;;
152
Aug) month=August; nummonth=8;;
153
Sep) month=September; nummonth=9;;
154
Oct) month=October; nummonth=10;;
155
Nov) month=November; nummonth=11;;
156
Dec) month=December; nummonth=12;;
164
# Here we have to deal with the problem that the ls output gives either
165
# the time of day or the year.
167
*:*) set `date`; eval year=\$$#
178
Oct) nummonthtod=10;;
179
Nov) nummonthtod=11;;
180
Dec) nummonthtod=12;;
182
# For the first six month of the year the time notation can also
183
# be used for files modified in the last year.
184
if (expr $nummonth \> $nummonthtod) > /dev/null;
186
year=`expr $year - 1`
192
echo $day $month $year
197
# eval: (add-hook 'write-file-hooks 'time-stamp)
198
# time-stamp-start: "scriptversion="
199
# time-stamp-format: "%:y-%02m-%02d.%02H"
200
# time-stamp-end: "$"
added
removed
doc/mdate-sh
