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Annotation of OpenXM_contrib/gmp/mdate-sh, Revision 1.1

1.1     ! maekawa     1: #!/bin/sh
        !             2: # Get modification time of a file or directory and pretty-print it.
        !             3: # Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
        !             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.
        !            19:
        !            20: # Prevent date giving response in another language.
        !            21: LANG=C
        !            22: export LANG
        !            23: LC_ALL=C
        !            24: export LC_ALL
        !            25: LC_TIME=C
        !            26: export LC_TIME
        !            27:
        !            28: # Get the extended ls output of the file or directory.
        !            29: # On HPUX /bin/sh, "set" interprets "-rw-r--r--" as options, so the "x" below.
        !            30: if ls -L /dev/null 1>/dev/null 2>&1; then
        !            31:   set - x`ls -L -l -d $1`
        !            32: else
        !            33:   set - x`ls -l -d $1`
        !            34: fi
        !            35: # The month is at least the fourth argument
        !            36: # (3 shifts here, the next inside the loop).
        !            37: shift
        !            38: shift
        !            39: shift
        !            40:
        !            41: # Find the month.  Next argument is day, followed by the year or time.
        !            42: month=
        !            43: until test $month
        !            44: do
        !            45:   shift
        !            46:   case $1 in
        !            47:     Jan) month=January; nummonth=1;;
        !            48:     Feb) month=February; nummonth=2;;
        !            49:     Mar) month=March; nummonth=3;;
        !            50:     Apr) month=April; nummonth=4;;
        !            51:     May) month=May; nummonth=5;;
        !            52:     Jun) month=June; nummonth=6;;
        !            53:     Jul) month=July; nummonth=7;;
        !            54:     Aug) month=August; nummonth=8;;
        !            55:     Sep) month=September; nummonth=9;;
        !            56:     Oct) month=October; nummonth=10;;
        !            57:     Nov) month=November; nummonth=11;;
        !            58:     Dec) month=December; nummonth=12;;
        !            59:   esac
        !            60: done
        !            61:
        !            62: day=$2
        !            63:
        !            64: # Here we have to deal with the problem that the ls output gives either
        !            65: # the time of day or the year.
        !            66: case $3 in
        !            67:   *:*) set `date`; eval year=\$$#
        !            68:        case $2 in
        !            69:         Jan) nummonthtod=1;;
        !            70:         Feb) nummonthtod=2;;
        !            71:         Mar) nummonthtod=3;;
        !            72:         Apr) nummonthtod=4;;
        !            73:         May) nummonthtod=5;;
        !            74:         Jun) nummonthtod=6;;
        !            75:         Jul) nummonthtod=7;;
        !            76:         Aug) nummonthtod=8;;
        !            77:         Sep) nummonthtod=9;;
        !            78:         Oct) nummonthtod=10;;
        !            79:         Nov) nummonthtod=11;;
        !            80:         Dec) nummonthtod=12;;
        !            81:        esac
        !            82:        # For the first six month of the year the time notation can also
        !            83:        # be used for files modified in the last year.
        !            84:        if (expr $nummonth \> $nummonthtod) > /dev/null;
        !            85:        then
        !            86:         year=`expr $year - 1`
        !            87:        fi;;
        !            88:   *) year=$3;;
        !            89: esac
        !            90:
        !            91: # The result.
        !            92: echo $day $month $year