bz64wrap
上传用户:jlfgdled
上传日期:2013-04-10
资源大小:33168k
文件大小:1k
- #!/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"