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#!/bin/sh
# bz64wrap - the sending side of a bzip2 | base64 stream
# Andreas Dilger <adilger@clusterfs.com> Jan 2002
PATH=$PATH:/usr/bin:/usr/local/bin:/usr/freeware/bin
# A program to generate base64 encoding on stdout
BASE64_ENCODE="uuencode -m /dev/stdout"
BASE64_BEGIN=
BASE64_END=
BZIP=NO
BASE64=NO
# Test if we have the bzip program installed
bzip2 -c /dev/null > /dev/null 2>&1 && BZIP=YES
# Test if uuencode can handle the -m (MIME) encoding option
$BASE64_ENCODE < /dev/null > /dev/null 2>&1 && BASE64=YES
if [ $BASE64 = NO ]; then
BASE64_ENCODE=mimencode
BASE64_BEGIN="begin-base64 644 -"
BASE64_END="===="
$BASE64_ENCODE < /dev/null > /dev/null 2>&1 && BASE64=YES
fi
if [ $BZIP = NO -o $BASE64 = NO ]; then
echo "$0: can't use bz64 encoding: bzip2=$BZIP, $BASE64_ENCODE=$BASE64"
exit 1
fi
# Sadly, mimencode does not appear to have good "begin" and "end" markers
# like uuencode does, and it is picky about getting the right start/end of
# the base64 stream, so we handle this internally.
echo "$BASE64_BEGIN"
bzip2 -9 | $BASE64_ENCODE
echo "$BASE64_END"
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