[CentOS] RE: Slightly OT: check creation of a group
Frank.Brodbeck at klingel.de
Frank.Brodbeck at klingel.deMon Mar 1 16:09:13 UTC 2010
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grep medintux /etc/group || groupadd medintux or in a if operation: if [[ ! grep medintux /etc/group ]] then groupadd medintux fi Regards, Frank. Niki Kovacs <contact at kikinovak.net> schrieb am 01.03.2010 17:03:46: > 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 ? > > Thanks, > > Niki > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos
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