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executable file 71 lines (60 sloc) 1.751 kb
#!/bin/sh
#
# ``The contents of this file are subject to the Erlang Public License,
# Version 1.1, (the "License"); you may not use this file except in
# compliance with the License. You should have received a copy of the
# Erlang Public License along with this software. If not, it can be
# retrieved via the world wide web at http://www.erlang.org/.
#
# Software distributed under the License is distributed on an "AS IS"
# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
# the License for the specific language governing rights 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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