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/Documentation/BK-usage/bz64wrap

https://bitbucket.org/evzijst/gittest
Shell | 41 lines | 25 code | 10 blank | 6 comment | 5 complexity | 7940943ca5d686f1ea4827a61e23fda0 MD5 | raw file
 1#!/bin/sh
 2
 3# bz64wrap - the sending side of a bzip2 | base64 stream
 4# Andreas Dilger <adilger@clusterfs.com>   Jan 2002
 5
 6
 7PATH=$PATH:/usr/bin:/usr/local/bin:/usr/freeware/bin
 8
 9# A program to generate base64 encoding on stdout
10BASE64_ENCODE="uuencode -m /dev/stdout"
11BASE64_BEGIN=
12BASE64_END=
13
14BZIP=NO
15BASE64=NO
16
17# Test if we have the bzip program installed
18bzip2 -c /dev/null > /dev/null 2>&1 && BZIP=YES
19
20# Test if uuencode can handle the -m (MIME) encoding option
21$BASE64_ENCODE < /dev/null > /dev/null 2>&1 && BASE64=YES
22
23if [ $BASE64 = NO ]; then
24	BASE64_ENCODE=mimencode
25	BASE64_BEGIN="begin-base64 644 -"
26	BASE64_END="===="
27
28	$BASE64_ENCODE < /dev/null > /dev/null 2>&1 && BASE64=YES
29fi
30
31if [ $BZIP = NO -o $BASE64 = NO ]; then
32	echo "$0: can't use bz64 encoding: bzip2=$BZIP, $BASE64_ENCODE=$BASE64"
33	exit 1
34fi
35
36# Sadly, mimencode does not appear to have good "begin" and "end" markers
37# like uuencode does, and it is picky about getting the right start/end of
38# the base64 stream, so we handle this internally.
39echo "$BASE64_BEGIN"
40bzip2 -9 | $BASE64_ENCODE
41echo "$BASE64_END"