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Annotation of OpenXM_contrib/gmp/mdate-sh, Revision 1.1.1.2

1.1       maekawa     1: #!/bin/sh
                      2: # Get modification time of a file or directory and pretty-print it.
1.1.1.2 ! ohara       3: # Copyright 1995, 1996, 1997 Free Software Foundation, Inc.
1.1       maekawa     4: # written by Ulrich Drepper <drepper@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.
1.1.1.2 ! ohara      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.
1.1       maekawa    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