Documentation/BK-usage/unbz64wrap

   1 #!/bin/sh
   2
   3 # unbz64wrap - the receiving side of a bzip2 | base64 stream
   4 # Andreas Dilger <adilger@clusterfs.com>   Jan 2002
   5
   6 # Sadly, mimencode does not appear to have good "begin" and "end" markers
   7 # like uuencode does, and it is picky about getting the right start/end of
   8 # the base64 stream, so we handle this explicitly here.
   9
  10 PATH=$PATH:/usr/bin:/usr/local/bin:/usr/freeware/bin
  11
  12 if mimencode -u < /dev/null > /dev/null 2>&1 ; then
  13         SHOW=
  14         while read LINE; do
  15                 case $LINE in
  16                 begin-base64*) SHOW=YES ;;
  17                 ====) SHOW= ;;
  18                 *) [ "$SHOW" ] && echo "$LINE" ;;
  19                 esac
  20         done | mimencode -u | bunzip2
  21         exit $?
  22 else
  23         cat - | uudecode -o /dev/stdout | bunzip2
  24         exit $?
  25 fi