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lib/AFS/Command/VOS.pod  view on Meta::CPAN

to the filename.

The value of these arguments specifies the degree of compression used,
an should be a single numeric digit, from 0 to 9.  See the gzip and
bzip2 man pages for more information.

These arguments are also mutually exclusive.

=item filterout

This is an advanced feature, and one that allows the volume dump to be
filtered through any arbitrary number of commands before it is
compressed (optionally) and written to the filesystem.  The value of
this argument is either an ARRAY reference to a list of command line
arguments, suitable for passing to exec(), or an ARRAY or such ARRAYS,
when more than one filter command is being used.

For example, the author has a requirement to pass all volume dumps
through a simple filter called 'newversion', which reads a volume
dump, changes the directory version numbers to the current utime
value, and writes the volume dump to stdout.  Trust me, you really

lib/AFS/Command/VOS.pod  view on Meta::CPAN

can not be determined dynamically from the filename.  If the files are
compressed, but lack the proper extension ('.gz' or '.bz2'), or if the
compressed input is being read from stdin, then uncompression must be
specified explicitly.

These arguments have boolean values, since uncompression is either on
or off.  They are mutually exclusive as well.

=item filterin

This is an advanced feature, and one that allows the volume dump to be
filtered through any arbitrary number of commands after it is
uncompressed (optionally) and read by vos restore.  The value of this
argument is either an ARRAY reference to a list of command line
arguments, suitable for passing to exec(), or an ARRAY or such ARRAYS,
when more than one filter command is being used.

Lacking a better example, let's assume the author's 'newversion'
utility is being applied to the restore process, rather than the dump.

    my $result = $vos->restore