On Thu, Mar 04, 2004 at 11:51:04AM +0100, Richard Lyons wrote: > On Thursday 04 March 2004 02:02, Colin Watson wrote: > > On Wed, Mar 03, 2004 at 08:56:49PM +0100, Ruben Porras wrote: > > > so, echo $SHELL seems not to be reliable, how could I now which > > > shell I am using? (Imagine you need to know in a script)? > > > > You should never need to know this in a script, because (correct) > > scripts should always have #! lines at the top specifying the > > interpreter to use. > > > > In practice I've never found myself needing a shell variable to let > > me know in any other situation either; I know what my login shell > > is, and I can use 'getent passwd | grep ^whatever-my-user-name-is' > > to find out if > > I learn something new every hour! Never heard of getent before. > (Though in this instance 'cat /etc/passwd | grep > ^whatever-my-user-name-is' is only one character longer).
There's a useless use of cat award in there. :) Mind you, I have a redundant grep too; this is better: getent passwd whatever-my-user-name-is Cheers, -- Colin Watson [EMAIL PROTECTED] -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
