> how about: > > /usr/bin/lpq -V 2>&1 | grep -q 'LPRng' You don't know that /usr/bin/lpq exists at this stage, but this idea could certainly be used. Julian =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Julian Gilbey, Dept of Maths, QMW, Univ. of London. J.D.Gilbey@qmw.ac.uk Debian GNU/Linux Developer, see http://www.debian.org/~jdg