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executable file 72 lines (61 sloc) 1.72 kB
#!/bin/sh
#
# ``Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# The Initial Developer of the Original Code is Ericsson Utvecklings AB.
# Portions created by Ericsson are Copyright 1999, Ericsson Utvecklings
# AB. All Rights Reserved.''
#
# $Id$
#
#
# Usage: save_args <argument storage filename> --- [arguments to save ...]
#
arg_file=
begin_marker=false
for arg
do
if test "x$arg" = "x---"; then
shift
begin_marker=true
break
elif test "x$arg_file" = "x"; then
arg_file=$arg
shift
else
echo "save_args: Unknown argument: $arg" 1>&2
exit 1
fi
done
if test "x$arg_file" = "x"; then
echo "save_args: Missing argument storage filename" 1>&2
exit 1
fi
if test $begin_marker != true; then
echo "save_args: No begin marker found" 1>&2
exit 1
fi
new_args="$@"
if test ! -f $arg_file; then
echo "$new_args" > $arg_file
echo "save_args: No previusly saved arguments; created $arg_file"
else
old_args=`cat $arg_file`
case "$old_args" in
"$new_args")
echo "save_args: Same arguments as saved; no need to update $arg_file";;
*)
echo "$new_args" > $arg_file
echo "save_args: Not same arguments as saved; updated $arg_file";;
esac
fi
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