mirror of https://gitee.com/Nocallback/dejagnu.git
Ben Elliston
8 years ago
1 changed files with 228 additions and 1 deletions
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/usr/share/automake-1.15/mdate-sh |
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#!/bin/sh |
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# Get modification time of a file or directory and pretty-print it. |
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scriptversion=2015-04-09.19; # UTC |
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# Copyright (C) 1995-2014 Free Software Foundation, Inc. |
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# written by Ulrich Drepper <drepper@gnu.ai.mit.edu>, June 1995 |
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# |
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# This program is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2, or (at your option) |
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# any later version. |
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# |
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# This program is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program. If not, see <http://www.gnu.org/licenses/>. |
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# As a special exception to the GNU General Public License, if you |
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# distribute this file as part of a program that contains a |
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# configuration script generated by Autoconf, you may include it under |
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# the same distribution terms that you use for the rest of that program. |
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|
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# This file is maintained in Automake, please report |
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# bugs to <bug-automake@gnu.org> or send patches to |
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# <automake-patches@gnu.org>. |
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if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then |
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emulate sh |
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NULLCMD=: |
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# Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which |
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# is contrary to our usage. Disable this feature. |
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alias -g '${1+"$@"}'='"$@"' |
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setopt NO_GLOB_SUBST |
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fi |
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|
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case $1 in |
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'') |
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echo "$0: No file. Try '$0 --help' for more information." 1>&2 |
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exit 1; |
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;; |
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-h | --h*) |
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cat <<\EOF |
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Usage: mdate-sh [--help] [--version] FILE |
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Pretty-print the modification day of FILE, in the format: |
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1 January 1970 |
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Report bugs to <bug-automake@gnu.org>. |
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EOF |
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exit $? |
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;; |
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-v | --v*) |
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echo "mdate-sh $scriptversion" |
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exit $? |
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;; |
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esac |
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|
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error () |
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{ |
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echo "$0: $1" >&2 |
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exit 1 |
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} |
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# Prevent date giving response in another language. |
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LANG=C |
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export LANG |
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LC_ALL=C |
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export LC_ALL |
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LC_TIME=C |
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export LC_TIME |
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|
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# Use UTC to get reproducible result |
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TZ=UTC |
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export TZ |
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# GNU ls changes its time format in response to the TIME_STYLE |
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# variable. Since we cannot assume 'unset' works, revert this |
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# variable to its documented default. |
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if test "${TIME_STYLE+set}" = set; then |
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TIME_STYLE=posix-long-iso |
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export TIME_STYLE |
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fi |
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save_arg1=$1 |
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# Find out how to get the extended ls output of a file or directory. |
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if ls -L /dev/null 1>/dev/null 2>&1; then |
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ls_command='ls -L -l -d' |
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else |
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ls_command='ls -l -d' |
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fi |
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# Avoid user/group names that might have spaces, when possible. |
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if ls -n /dev/null 1>/dev/null 2>&1; then |
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ls_command="$ls_command -n" |
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fi |
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# A 'ls -l' line looks as follows on OS/2. |
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# drwxrwx--- 0 Aug 11 2001 foo |
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# This differs from Unix, which adds ownership information. |
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# drwxrwx--- 2 root root 4096 Aug 11 2001 foo |
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# |
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# To find the date, we split the line on spaces and iterate on words |
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# until we find a month. This cannot work with files whose owner is a |
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# user named "Jan", or "Feb", etc. However, it's unlikely that '/' |
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# will be owned by a user whose name is a month. So we first look at |
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# the extended ls output of the root directory to decide how many |
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# words should be skipped to get the date. |
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|
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# On HPUX /bin/sh, "set" interprets "-rw-r--r--" as options, so the "x" below. |
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set x`$ls_command /` |
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# Find which argument is the month. |
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month= |
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command= |
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until test $month |
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do |
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test $# -gt 0 || error "failed parsing '$ls_command /' output" |
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shift |
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# Add another shift to the command. |
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command="$command shift;" |
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case $1 in |
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Jan) month=January; nummonth=1;; |
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Feb) month=February; nummonth=2;; |
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Mar) month=March; nummonth=3;; |
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Apr) month=April; nummonth=4;; |
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May) month=May; nummonth=5;; |
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Jun) month=June; nummonth=6;; |
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Jul) month=July; nummonth=7;; |
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Aug) month=August; nummonth=8;; |
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Sep) month=September; nummonth=9;; |
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Oct) month=October; nummonth=10;; |
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Nov) month=November; nummonth=11;; |
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Dec) month=December; nummonth=12;; |
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esac |
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done |
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test -n "$month" || error "failed parsing '$ls_command /' output" |
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# Get the extended ls output of the file or directory. |
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set dummy x`eval "$ls_command \"\\\$save_arg1\""` |
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# Remove all preceding arguments |
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eval $command |
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# Because of the dummy argument above, month is in $2. |
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# |
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# On a POSIX system, we should have |
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# |
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# $# = 5 |
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# $1 = file size |
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# $2 = month |
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# $3 = day |
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# $4 = year or time |
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# $5 = filename |
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# |
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# On Darwin 7.7.0 and 7.6.0, we have |
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# |
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# $# = 4 |
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# $1 = day |
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# $2 = month |
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# $3 = year or time |
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# $4 = filename |
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# Get the month. |
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case $2 in |
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Jan) month=January; nummonth=1;; |
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Feb) month=February; nummonth=2;; |
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Mar) month=March; nummonth=3;; |
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Apr) month=April; nummonth=4;; |
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May) month=May; nummonth=5;; |
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Jun) month=June; nummonth=6;; |
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Jul) month=July; nummonth=7;; |
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Aug) month=August; nummonth=8;; |
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Sep) month=September; nummonth=9;; |
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Oct) month=October; nummonth=10;; |
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Nov) month=November; nummonth=11;; |
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Dec) month=December; nummonth=12;; |
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esac |
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|
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case $3 in |
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???*) day=$1;; |
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*) day=$3; shift;; |
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esac |
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|
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# Here we have to deal with the problem that the ls output gives either |
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# the time of day or the year. |
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case $3 in |
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*:*) set `date`; eval year=\$$# |
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case $2 in |
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Jan) nummonthtod=1;; |
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Feb) nummonthtod=2;; |
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Mar) nummonthtod=3;; |
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Apr) nummonthtod=4;; |
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May) nummonthtod=5;; |
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Jun) nummonthtod=6;; |
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Jul) nummonthtod=7;; |
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Aug) nummonthtod=8;; |
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Sep) nummonthtod=9;; |
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Oct) nummonthtod=10;; |
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Nov) nummonthtod=11;; |
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Dec) nummonthtod=12;; |
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esac |
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# For the first six month of the year the time notation can also |
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# be used for files modified in the last year. |
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if (expr $nummonth \> $nummonthtod) > /dev/null; |
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then |
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year=`expr $year - 1` |
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fi;; |
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*) year=$3;; |
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esac |
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|
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# The result. |
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echo $day $month $year |
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# Local Variables: |
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# mode: shell-script |
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# sh-indentation: 2 |
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# eval: (add-hook 'write-file-hooks 'time-stamp) |
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# time-stamp-start: "scriptversion=" |
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# time-stamp-format: "%:y-%02m-%02d.%02H" |
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# time-stamp-time-zone: "UTC" |
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# time-stamp-end: "; # UTC" |
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# End: |
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