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      1 #!/bin/sh
      2 # Get modification time of a file or directory and pretty-print it.
      3 # Copyright 1995, 1996, 1997 Free Software Foundation, Inc.
      4 # written by Ulrich Drepper <drepper (at] gnu.ai.mit.edu>, June 1995
      5 #
      6 # This program is free software; you can redistribute it and/or modify
      7 # it under the terms of the GNU General Public License as published by
      8 # the Free Software Foundation; either version 2, or (at your option)
      9 # any later version.
     10 #
     11 # This program is distributed in the hope that it will be useful,
     12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
     13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     14 # GNU General Public License for more details.
     15 #
     16 # You should have received a copy of the GNU General Public License
     17 # along with this program; if not, write to the Free Software Foundation,
     18 # Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
     19 
     20 # As a special exception to the GNU General Public License, if you
     21 # distribute this file as part of a program that contains a
     22 # configuration script generated by Autoconf, you may include it under
     23 # the same distribution terms that you use for the rest of that program.
     24 
     25 # Prevent date giving response in another language.
     26 LANG=C
     27 export LANG
     28 LC_ALL=C
     29 export LC_ALL
     30 LC_TIME=C
     31 export LC_TIME
     32 
     33 # Get the extended ls output of the file or directory.
     34 # On HPUX /bin/sh, "set" interprets "-rw-r--r--" as options, so the "x" below.
     35 if ls -L /dev/null 1>/dev/null 2>&1; then
     36   set - x`ls -L -l -d $1`
     37 else
     38   set - x`ls -l -d $1`
     39 fi
     40 # The month is at least the fourth argument
     41 # (3 shifts here, the next inside the loop).
     42 shift
     43 shift
     44 shift
     45 
     46 # Find the month.  Next argument is day, followed by the year or time.
     47 month=
     48 until test $month
     49 do
     50   shift
     51   case $1 in
     52     Jan) month=January; nummonth=1;;
     53     Feb) month=February; nummonth=2;;
     54     Mar) month=March; nummonth=3;;
     55     Apr) month=April; nummonth=4;;
     56     May) month=May; nummonth=5;;
     57     Jun) month=June; nummonth=6;;
     58     Jul) month=July; nummonth=7;;
     59     Aug) month=August; nummonth=8;;
     60     Sep) month=September; nummonth=9;;
     61     Oct) month=October; nummonth=10;;
     62     Nov) month=November; nummonth=11;;
     63     Dec) month=December; nummonth=12;;
     64   esac
     65 done
     66 
     67 day=$2
     68 
     69 # Here we have to deal with the problem that the ls output gives either
     70 # the time of day or the year.
     71 case $3 in
     72   *:*) set `date`; eval year=\$$#
     73        case $2 in
     74 	 Jan) nummonthtod=1;;
     75 	 Feb) nummonthtod=2;;
     76 	 Mar) nummonthtod=3;;
     77 	 Apr) nummonthtod=4;;
     78 	 May) nummonthtod=5;;
     79 	 Jun) nummonthtod=6;;
     80 	 Jul) nummonthtod=7;;
     81 	 Aug) nummonthtod=8;;
     82 	 Sep) nummonthtod=9;;
     83 	 Oct) nummonthtod=10;;
     84 	 Nov) nummonthtod=11;;
     85 	 Dec) nummonthtod=12;;
     86        esac
     87        # For the first six month of the year the time notation can also
     88        # be used for files modified in the last year.
     89        if (expr $nummonth \> $nummonthtod) > /dev/null;
     90        then
     91 	 year=`expr $year - 1`
     92        fi;;
     93   *) year=$3;;
     94 esac
     95 
     96 # The result.
     97 echo $day $month $year
     98