diff options
Diffstat (limited to 'doc/mdate-sh')
| -rwxr-xr-x | doc/mdate-sh | 88 |
1 files changed, 80 insertions, 8 deletions
diff --git a/doc/mdate-sh b/doc/mdate-sh index b610b47a..83d27009 100755 --- a/doc/mdate-sh +++ b/doc/mdate-sh @@ -1,6 +1,10 @@ #!/bin/sh # Get modification time of a file or directory and pretty-print it. -# Copyright (C) 1995, 1996, 1997, 2003 Free Software Foundation, Inc. + +scriptversion=2007-03-30.02 + +# Copyright (C) 1995, 1996, 1997, 2003, 2004, 2005, 2007 Free Software +# Foundation, Inc. # written by Ulrich Drepper <[email protected]>, June 1995 # # This program is free software; you can redistribute it and/or modify @@ -15,13 +19,38 @@ # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software Foundation, -# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. +# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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 <[email protected]> or send patches to +# <[email protected]>. + +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 <[email protected]>. +EOF + exit $? + ;; + -v | --v*) + echo "mdate-sh $scriptversion" + exit $? + ;; +esac + # Prevent date giving response in another language. LANG=C export LANG @@ -30,7 +59,15 @@ export LC_ALL LC_TIME=C export LC_TIME -save_arg1="$1" +# GNU ls changes its time format in response to the TIME_STYLE +# variable. Since we cannot assume `unset' works, revert this +# variable to its documented default. +if test "${TIME_STYLE+set}" = set; then + TIME_STYLE=posix-long-iso + export TIME_STYLE +fi + +save_arg1=$1 # Find out how to get the extended ls output of a file or directory. if ls -L /dev/null 1>/dev/null 2>&1; then @@ -38,6 +75,10 @@ if ls -L /dev/null 1>/dev/null 2>&1; then else ls_command='ls -l -d' fi +# Avoid user/group names that might have spaces, when possible. +if ls -n /dev/null 1>/dev/null 2>&1; then + ls_command="$ls_command -n" +fi # A `ls -l' line looks as follows on OS/2. # drwxrwx--- 0 Aug 11 2001 foo @@ -52,7 +93,7 @@ fi # 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`$ls_command /` +set x`$ls_command /` # Find which argument is the month. month= @@ -79,13 +120,32 @@ do done # Get the extended ls output of the file or directory. -set - x`eval "$ls_command \"\$save_arg1\""` +set dummy x`eval "$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 +# Because of the dummy argument above, month is in $2. +# +# On a POSIX system, we should have +# +# $# = 5 +# $1 = file size +# $2 = month +# $3 = day +# $4 = year or time +# $5 = filename +# +# On Darwin 7.7.0 and 7.6.0, we have +# +# $# = 4 +# $1 = day +# $2 = month +# $3 = year or time +# $4 = filename + +# Get the month. +case $2 in Jan) month=January; nummonth=1;; Feb) month=February; nummonth=2;; Mar) month=March; nummonth=3;; @@ -100,7 +160,10 @@ case $1 in Dec) month=December; nummonth=12;; esac -day=$2 +case $3 in + ???*) day=$1;; + *) day=$3; shift;; +esac # Here we have to deal with the problem that the ls output gives either # the time of day or the year. @@ -131,3 +194,12 @@ esac # 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: |