On Mon, 2010-03-01 at 17:03 +0100, Niki Kovacs wrote: > Hi, > > I'm currently writing an install script for an application, and my > already limited Bash skills are a bit rusty. > > I want to check if a group exists, and if it doesn't, then create it. > > Only thing I found is: > > if [ grep medintux /etc/group ]; then > continue > else > groupadd medintux > fi > > Apparently I can't seem to "negate" the test, e. g. something like > > if !(grep medintux /etc/group) > > Any suggestions for the correct syntax here ? > Try this: grep -q medintux /etc/group || groupadd medintux > Thanks, > > Niki > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos -- Ron Loftin reloftin at twcny.rr.com "God, root, what is difference ?" Piter from UserFriendly