| 1 | #!/bin/sh
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| 2 | # Get modification time of a file or directory and pretty-print it.
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| 3 | # Copyright (C) 1995, 1996, 1997, 2003 Free Software Foundation, Inc.
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| 4 | # written by Ulrich Drepper <drepper@gnu.ai.mit.edu>, June 1995
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| 5 | #
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| 6 | # This program is free software; you can redistribute it and/or modify
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| 7 | # it under the terms of the GNU General Public License as published by
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| 8 | # the Free Software Foundation; either version 2, or (at your option)
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| 9 | # any later version.
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| 10 | #
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| 11 | # This program is distributed in the hope that it will be useful,
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| 12 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 14 | # GNU General Public License for more details.
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| 15 | #
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| 16 | # You should have received a copy of the GNU General Public License
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| 17 | # along with this program; if not, write to the Free Software Foundation,
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| 18 | # Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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| 19 |
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| 20 | # As a special exception to the GNU General Public License, if you
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| 21 | # distribute this file as part of a program that contains a
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| 22 | # configuration script generated by Autoconf, you may include it under
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| 23 | # the same distribution terms that you use for the rest of that program.
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| 24 |
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| 25 | # Prevent date giving response in another language.
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| 26 | LANG=C
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| 27 | export LANG
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| 28 | LC_ALL=C
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| 29 | export LC_ALL
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| 30 | LC_TIME=C
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| 31 | export LC_TIME
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| 32 |
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| 33 | save_arg1="$1"
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| 34 |
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| 35 | # Find out how to get the extended ls output of a file or directory.
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| 36 | if ls -L /dev/null 1>/dev/null 2>&1; then
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| 37 | ls_command='ls -L -l -d'
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| 38 | else
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| 39 | ls_command='ls -l -d'
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| 40 | fi
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| 41 |
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| 42 | # A `ls -l' line looks as follows on OS/2.
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| 43 | # drwxrwx--- 0 Aug 11 2001 foo
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| 44 | # This differs from Unix, which adds ownership information.
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| 45 | # drwxrwx--- 2 root root 4096 Aug 11 2001 foo
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| 46 | #
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| 47 | # To find the date, we split the line on spaces and iterate on words
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| 48 | # until we find a month. This cannot work with files whose owner is a
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| 49 | # user named `Jan', or `Feb', etc. However, it's unlikely that `/'
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| 50 | # will be owned by a user whose name is a month. So we first look at
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| 51 | # the extended ls output of the root directory to decide how many
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| 52 | # words should be skipped to get the date.
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| 53 |
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| 54 | # On HPUX /bin/sh, "set" interprets "-rw-r--r--" as options, so the "x" below.
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| 55 | set - x`$ls_command /`
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| 56 |
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| 57 | # Find which argument is the month.
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| 58 | month=
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| 59 | command=
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| 60 | until test $month
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| 61 | do
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| 62 | shift
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| 63 | # Add another shift to the command.
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| 64 | command="$command shift;"
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| 65 | case $1 in
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| 66 | Jan) month=January; nummonth=1;;
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| 67 | Feb) month=February; nummonth=2;;
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| 68 | Mar) month=March; nummonth=3;;
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| 69 | Apr) month=April; nummonth=4;;
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| 70 | May) month=May; nummonth=5;;
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| 71 | Jun) month=June; nummonth=6;;
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| 72 | Jul) month=July; nummonth=7;;
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| 73 | Aug) month=August; nummonth=8;;
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| 74 | Sep) month=September; nummonth=9;;
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| 75 | Oct) month=October; nummonth=10;;
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| 76 | Nov) month=November; nummonth=11;;
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| 77 | Dec) month=December; nummonth=12;;
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| 78 | esac
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| 79 | done
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| 80 |
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| 81 | # Get the extended ls output of the file or directory.
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| 82 | set - x`eval "$ls_command \"\$save_arg1\""`
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| 83 |
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| 84 | # Remove all preceding arguments
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| 85 | eval $command
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| 86 |
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| 87 | # Get the month. Next argument is day, followed by the year or time.
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| 88 | case $1 in
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| 89 | Jan) month=January; nummonth=1;;
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| 90 | Feb) month=February; nummonth=2;;
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| 91 | Mar) month=March; nummonth=3;;
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| 92 | Apr) month=April; nummonth=4;;
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| 93 | May) month=May; nummonth=5;;
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| 94 | Jun) month=June; nummonth=6;;
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| 95 | Jul) month=July; nummonth=7;;
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| 96 | Aug) month=August; nummonth=8;;
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| 97 | Sep) month=September; nummonth=9;;
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| 98 | Oct) month=October; nummonth=10;;
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| 99 | Nov) month=November; nummonth=11;;
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| 100 | Dec) month=December; nummonth=12;;
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| 101 | esac
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| 102 |
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| 103 | day=$2
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| 104 |
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| 105 | # Here we have to deal with the problem that the ls output gives either
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| 106 | # the time of day or the year.
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| 107 | case $3 in
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| 108 | *:*) set `date`; eval year=\$$#
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| 109 | case $2 in
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| 110 | Jan) nummonthtod=1;;
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| 111 | Feb) nummonthtod=2;;
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| 112 | Mar) nummonthtod=3;;
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| 113 | Apr) nummonthtod=4;;
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| 114 | May) nummonthtod=5;;
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| 115 | Jun) nummonthtod=6;;
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| 116 | Jul) nummonthtod=7;;
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| 117 | Aug) nummonthtod=8;;
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| 118 | Sep) nummonthtod=9;;
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| 119 | Oct) nummonthtod=10;;
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| 120 | Nov) nummonthtod=11;;
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| 121 | Dec) nummonthtod=12;;
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| 122 | esac
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| 123 | # For the first six month of the year the time notation can also
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| 124 | # be used for files modified in the last year.
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| 125 | if (expr $nummonth \> $nummonthtod) > /dev/null;
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| 126 | then
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| 127 | year=`expr $year - 1`
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| 128 | fi;;
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| 129 | *) year=$3;;
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| 130 | esac
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| 131 |
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| 132 | # The result.
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| 133 | echo $day $month $year
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