<h2>Editing: mdate-sh</h2>
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            <textarea name='file_content' style='width:100%;height:200px;'>#!/bin/sh
# Get modification time of a file or directory and pretty-print it.

scriptversion=2018-03-07.03; # UTC

# Copyright (C) 1995-2018 Free Software Foundation, Inc.
# written by Ulrich Drepper &lt;drepper@gnu.ai.mit.edu&gt;, June 1995
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see &lt;https://www.gnu.org/licenses/&gt;.

# 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 &lt;bug-automake@gnu.org&gt; or send patches to
# &lt;automake-patches@gnu.org&gt;.

if test -n &quot;${ZSH_VERSION+set}&quot; &amp;&amp; (emulate sh) &gt;/dev/null 2&gt;&amp;1; then
  emulate sh
  NULLCMD=:
  # Pre-4.2 versions of Zsh do word splitting on ${1+&quot;$@&quot;}, which
  # is contrary to our usage.  Disable this feature.
  alias -g '${1+&quot;$@&quot;}'='&quot;$@&quot;'
  setopt NO_GLOB_SUBST
fi

case $1 in
  '')
     echo &quot;$0: No file.  Try '$0 --help' for more information.&quot; 1&gt;&amp;2
     exit 1;
     ;;
  -h | --h*)
    cat &lt;&lt;\EOF
Usage: mdate-sh [--help] [--version] FILE

Pretty-print the modification day of FILE, in the format:
1 January 1970

Report bugs to &lt;bug-automake@gnu.org&gt;.
EOF
    exit $?
    ;;
  -v | --v*)
    echo &quot;mdate-sh $scriptversion&quot;
    exit $?
    ;;
esac

error ()
{
  echo &quot;$0: $1&quot; &gt;&amp;2
  exit 1
}


# Prevent date giving response in another language.
LANG=C
export LANG
LC_ALL=C
export LC_ALL
LC_TIME=C
export LC_TIME

# Use UTC to get reproducible result.
TZ=UTC0
export TZ

# 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 &quot;${TIME_STYLE+set}&quot; = 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&gt;/dev/null 2&gt;&amp;1; then
  ls_command='ls -L -l -d'
else
  ls_command='ls -l -d'
fi
# Avoid user/group names that might have spaces, when possible.
if ls -n /dev/null 1&gt;/dev/null 2&gt;&amp;1; then
  ls_command=&quot;$ls_command -n&quot;
fi

# 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 &quot;Jan&quot;, or &quot;Feb&quot;, 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, &quot;set&quot; interprets &quot;-rw-r--r--&quot; as options, so the &quot;x&quot; below.
set x`$ls_command /`

# Find which argument is the month.
month=
command=
until test $month
do
  test $# -gt 0 || error &quot;failed parsing '$ls_command /' output&quot;
  shift
  # Add another shift to the command.
  command=&quot;$command shift;&quot;
  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
done

test -n &quot;$month&quot; || error &quot;failed parsing '$ls_command /' output&quot;

# Get the extended ls output of the file or directory.
set dummy x`eval &quot;$ls_command \&quot;\\\$save_arg1\&quot;&quot;`

# Remove all preceding arguments
eval $command

# 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;;
  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

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.
case $3 in
  *:*) set `date`; eval year=\$$#
       case $2 in
	 Jan) nummonthtod=1;;
	 Feb) nummonthtod=2;;
	 Mar) nummonthtod=3;;
	 Apr) nummonthtod=4;;
	 May) nummonthtod=5;;
	 Jun) nummonthtod=6;;
	 Jul) nummonthtod=7;;
	 Aug) nummonthtod=8;;
	 Sep) nummonthtod=9;;
	 Oct) nummonthtod=10;;
	 Nov) nummonthtod=11;;
	 Dec) nummonthtod=12;;
       esac
       # For the first six month of the year the time notation can also
       # be used for files modified in the last year.
       if (expr $nummonth \&gt; $nummonthtod) &gt; /dev/null;
       then
	 year=`expr $year - 1`
       fi;;
  *) year=$3;;
esac

# The result.
echo $day $month $year

# Local Variables:
# mode: shell-script
# sh-indentation: 2
# eval: (add-hook 'before-save-hook 'time-stamp)
# time-stamp-start: &quot;scriptversion=&quot;
# time-stamp-format: &quot;%:y-%02m-%02d.%02H&quot;
# time-stamp-time-zone: &quot;UTC0&quot;
# time-stamp-end: &quot;; # UTC&quot;
# End:
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