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#!/bin/sh

# Get modification time of a file or directory and pretty-print it.

# Copyright (C) 1995, 1996, 1997 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

# 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, write to the Free Software Foundation,

# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

# Prevent date giving response in another language.

LANG=C

export LANG

LC_ALL=C

export LC_ALL

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.

if ls -L /dev/null 1>/dev/null 2>&1; then

  set - x`ls -L -l -d $1`

else

  set - x`ls -l -d $1`

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.

month=

until test $month

do

  shift

  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

day=$2

# 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 \> $nummonthtod) > /dev/null;

       then

	 year=`expr $year - 1`

       fi;;

  *) year=$3;;

esac

# The result.

echo $day $month $year