#!/bin/sh
# Get modification time of a file or directory and pretty-print it.
-# Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
+
+scriptversion=2004-12-08.12
+
+# Copyright (C) 1995, 1996, 1997, 2003, 2004 Free Software Foundation, Inc.
# written by Ulrich Drepper <drepper@gnu.ai.mit.edu>, June 1995
#
# This program is free software; you can redistribute it and/or modify
# along with this program; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+# As a special exception to the GNU General Public License, if you
+# distribute this file as part of a program that contains a
+# configuration script generated by Autoconf, you may include it under
+# the same distribution terms that you use for the rest of that program.
+
+# This file is maintained in Automake, please report
+# bugs to <bug-automake@gnu.org> or send patches to
+# <automake-patches@gnu.org>.
+
+case $1 in
+ '')
+ echo "$0: No file. Try \`$0 --help' for more information." 1>&2
+ exit 1;
+ ;;
+ -h | --h*)
+ cat <<\EOF
+Usage: mdate-sh [--help] [--version] FILE
+
+Pretty-print the modification time of FILE.
+
+Report bugs to <bug-automake@gnu.org>.
+EOF
+ exit 0
+ ;;
+ -v | --v*)
+ echo "mdate-sh $scriptversion"
+ exit 0
+ ;;
+esac
+
# Prevent date giving response in another language.
LANG=C
export LANG
LC_TIME=C
export LC_TIME
-# Get the extended ls output of the file or directory.
-# On HPUX /bin/sh, "set" interprets "-rw-r--r--" as options, so the "x" below.
+save_arg1="$1"
+
+# Find out how to get the extended ls output of a file or directory.
if ls -L /dev/null 1>/dev/null 2>&1; then
- set - x`ls -L -l -d $1`
+ ls_command='ls -L -l -d'
else
- set - x`ls -l -d $1`
+ ls_command='ls -l -d'
fi
-# The month is at least the fourth argument
-# (3 shifts here, the next inside the loop).
-shift
-shift
-shift
-# Find the month. Next argument is day, followed by the year or time.
+# A `ls -l' line looks as follows on OS/2.
+# drwxrwx--- 0 Aug 11 2001 foo
+# This differs from Unix, which adds ownership information.
+# drwxrwx--- 2 root root 4096 Aug 11 2001 foo
+#
+# To find the date, we split the line on spaces and iterate on words
+# until we find a month. This cannot work with files whose owner is a
+# user named `Jan', or `Feb', etc. However, it's unlikely that `/'
+# will be owned by a user whose name is a month. So we first look at
+# the extended ls output of the root directory to decide how many
+# words should be skipped to get the date.
+
+# On HPUX /bin/sh, "set" interprets "-rw-r--r--" as options, so the "x" below.
+set x`ls -l -d /`
+
+# Find which argument is the month.
month=
+command=
until test $month
do
shift
+ # Add another shift to the command.
+ command="$command shift;"
case $1 in
Jan) month=January; nummonth=1;;
Feb) month=February; nummonth=2;;
esac
done
+# Get the extended ls output of the file or directory.
+set x`eval "$ls_command \"\$save_arg1\""`
+
+# Remove all preceding arguments
+eval $command
+
+# Get the month. Next argument is day, followed by the year or time.
+case $1 in
+ Jan) month=January; nummonth=1;;
+ Feb) month=February; nummonth=2;;
+ Mar) month=March; nummonth=3;;
+ Apr) month=April; nummonth=4;;
+ May) month=May; nummonth=5;;
+ Jun) month=June; nummonth=6;;
+ Jul) month=July; nummonth=7;;
+ Aug) month=August; nummonth=8;;
+ Sep) month=September; nummonth=9;;
+ Oct) month=October; nummonth=10;;
+ Nov) month=November; nummonth=11;;
+ Dec) month=December; nummonth=12;;
+esac
+
day=$2
# Here we have to deal with the problem that the ls output gives either
# The result.
echo $day $month $year
+
+# Local Variables:
+# mode: shell-script
+# sh-indentation: 2
+# eval: (add-hook 'write-file-hooks 'time-stamp)
+# time-stamp-start: "scriptversion="
+# time-stamp-format: "%:y-%02m-%02d.%02H"
+# time-stamp-end: "$"
+# End: