Using UNIX pipe to compress output while exporting

When you don't have enough disk space available to perform an uncompressed 
export, you need to simultaneously compress the dmp file while the export is 
running.  To do this in UNIX, use the pipe.

For example.

mknod exppipe p
echo USERID=user/\password> PARFILE
echo FILE=exppipe >> PARFILE
echo GRANTS=N >> PARFILE
echo INDEXES=N >> PARFILE
echo ROWS=Y >> PARFILE
echo BUFFER=4096000 >> PARFILE
echo direct=y >> PARFILE
echo consistent=y >> PARFILE
echo triggers=n >> PARFILE
echo compress=n >> PARFILE

compress < exppipe > export.dmp.Z &
exp parfile=PARFILE

Thanks Greg,

If anyone else has other examples of using UNIX pipe to compress output 
while running export or import please post here.

SW:
   exp imp pipe space large file mknod compress

complete