xref: /freebsd/usr.bin/shar/shar.sh (revision 06c3fb2749bda94cb5201f81ffdb8fa6c3161b2e)
1#!/bin/sh -
2#
3# SPDX-License-Identifier: BSD-3-Clause
4#
5# Copyright (c) 1990, 1993
6#	The Regents of the University of California.  All rights reserved.
7#
8# Redistribution and use in source and binary forms, with or without
9# modification, are permitted provided that the following conditions
10# are met:
11# 1. Redistributions of source code must retain the above copyright
12#    notice, this list of conditions and the following disclaimer.
13# 2. Redistributions in binary form must reproduce the above copyright
14#    notice, this list of conditions and the following disclaimer in the
15#    documentation and/or other materials provided with the distribution.
16# 3. Neither the name of the University nor the names of its contributors
17#    may be used to endorse or promote products derived from this software
18#    without specific prior written permission.
19#
20# THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23# ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30# SUCH DAMAGE.
31
32if [ $# -eq 0 ]; then
33	echo 'usage: shar file ...' 1>&2
34	exit 64			# EX_USAGE
35fi
36
37for i
38do
39	if [ ! \( -d $i -o -r $i \) ]; then
40		echo "$i inaccessible or not exist" 1>&2
41		exit 66		# EX_NOINPUT
42	fi
43done
44
45cat << EOF
46# This is a shell archive.  Save it in a file, remove anything before
47# this line, and then unpack it by entering "sh file".  Note, it may
48# create directories; files and directories will be owned by you and
49# have default permissions.
50#
51# This archive contains:
52#
53EOF
54
55for i
56do
57	echo "#	$i"
58done
59
60echo "#"
61
62for i
63do
64	if [ -d $i ]; then
65		echo "echo c - $i"
66		echo "mkdir -p $i > /dev/null 2>&1"
67	else
68		md5sum=`echo -n $i | md5`
69		echo "echo x - $i"
70		echo "sed 's/^X//' >$i << '$md5sum'"
71		sed 's/^/X/' $i || exit
72		echo "$md5sum"
73	fi
74done
75echo exit
76echo ""
77
78exit 0
79