[CentOS] RE: Slightly OT: check creation of a group

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@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@centos.org http://lists.centos.org/mailman/listinfo/centos