> Or it could be a 'y' as well. Aren't standards wonderful? There are so
> many to choose from!
There is a standard in GNU tar proper. Basically lots of people added
patches to handle this and used random letters.
GNU tar itself expects 'j'. That is the spec. For long back compatibility
in scripts you can use
tar --use-compress-program=bzip2
which works since way back when.
For traditional unix its
bzip2 -d <file | tar xvf -
The latter is the actual Unix standards guaranteed behaviour. The others are
GNU extensions.
Alan
