Hi, How can existence of a given UUID within a system be tested in bash? Preferably not restricting to a specific kind of device. Eg. avoiding reference to /dev/disk. Thx, ... P. -- mobile: +1 778 951 5147 <= still working VoIP: +1 778 508 0020 <= new & working projects: en.wikibooks.org/wiki/User:PeterEasthope