$set{'set1'} = '/home /usr';
$set{'set2'} = '/dir3 machine2:/dir4 machine3:/dir5';
| Linux SCSI w/devfs: | /dev/tapes/tape0/mtn | |
| Linux SCSI: | /dev/nst0 | |
| Linux IDE: | /dev/nht0 | |
| Linux ftape: | /dev/nqft0 | |
| FreeBSD SCSI: | /dev/nrsa0 | |
$exclude_expr[0] = '.*/[Cc]ache/.*';
$exclude_expr[1] = '.*~$';