You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
83 lines
2.6 KiB
83 lines
2.6 KiB
#!/bin/sh |
|
# Like mv $1 $2, but if the files are the same, just delete $1. |
|
# Status is zero if successful, nonzero otherwise. |
|
|
|
VERSION='2012-01-06 07:23'; # UTC |
|
# The definition above must lie within the first 8 lines in order |
|
# for the Emacs time-stamp write hook (at end) to update it. |
|
# If you change this file with Emacs, please let the write hook |
|
# do its job. Otherwise, update this string manually. |
|
|
|
# Copyright (C) 2002-2014 Free Software Foundation, Inc. |
|
|
|
# This program is free software: you can redistribute it and/or modify |
|
# it under the terms of the GNU General Public License as published by |
|
# the Free Software Foundation, either version 3 of the License, or |
|
# (at your option) any later version. |
|
|
|
# This program is distributed in the hope that it will be useful, |
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
# GNU General Public License for more details. |
|
|
|
# You should have received a copy of the GNU General Public License |
|
# along with this program. If not, see <http://www.gnu.org/licenses/>. |
|
|
|
usage="usage: $0 SOURCE DEST" |
|
|
|
help="$usage |
|
or: $0 OPTION |
|
If SOURCE is different than DEST, then move it to DEST; else remove SOURCE. |
|
|
|
--help display this help and exit |
|
--version output version information and exit |
|
|
|
The variable CMPPROG can be used to specify an alternative to 'cmp'. |
|
|
|
Report bugs to <bug-gnulib@gnu.org>." |
|
|
|
version=`expr "$VERSION" : '\([^ ]*\)'` |
|
version="move-if-change (gnulib) $version |
|
Copyright (C) 2011 Free Software Foundation, Inc. |
|
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> |
|
This is free software: you are free to change and redistribute it. |
|
There is NO WARRANTY, to the extent permitted by law." |
|
|
|
cmpprog=${CMPPROG-cmp} |
|
|
|
for arg |
|
do |
|
case $arg in |
|
--help | --hel | --he | --h) |
|
exec echo "$help" ;; |
|
--version | --versio | --versi | --vers | --ver | --ve | --v) |
|
exec echo "$version" ;; |
|
--) |
|
shift |
|
break ;; |
|
-*) |
|
echo "$0: invalid option: $arg" >&2 |
|
exit 1 ;; |
|
*) |
|
break ;; |
|
esac |
|
done |
|
|
|
test $# -eq 2 || { echo "$0: $usage" >&2; exit 1; } |
|
|
|
if test -r "$2" && $cmpprog -- "$1" "$2" >/dev/null; then |
|
rm -f -- "$1" |
|
else |
|
if mv -f -- "$1" "$2"; then :; else |
|
# Ignore failure due to a concurrent move-if-change. |
|
test -r "$2" && $cmpprog -- "$1" "$2" >/dev/null && rm -f -- "$1" |
|
fi |
|
fi |
|
|
|
## Local Variables: |
|
## eval: (add-hook 'write-file-hooks 'time-stamp) |
|
## time-stamp-start: "VERSION='" |
|
## time-stamp-format: "%:y-%02m-%02d %02H:%02M" |
|
## time-stamp-time-zone: "UTC" |
|
## time-stamp-end: "'; # UTC" |
|
## End:
|
|
|