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From: peter@ficc.ferranti.com (Peter da Silva)
Subject: Re: Regular Expression (vi type) question...
Message-ID: <+DCA2R9@xds13.ferranti.com>
Reply-To: peter@ficc.ferranti.com (Peter da Silva)
Organization: Xenix Support, FICC
References: <1991Mar28.191204.12295@cbnewsl.att.com>
Distribution: na
Date: Fri, 29 Mar 91 18:06:26 GMT

In article <1991Mar28.191204.12295@cbnewsl.att.com> sgilley@cbnewsl.att.com (The Idealistic Cynic) writes:
> Can a single regular expression be used to delete
> all characters including and after the last "."
> in a line?

{range}s/\.[^.]*$//

> (It's easy if you
> assume all lines will have at least one "." in them..
> what I can't get is if they don't.)

To avoid failure problems?

{range}g/\.[^.]*$/s///
-- 
Peter da Silva.  `-_-'  peter@ferranti.com
+1 713 274 5180.  'U`  "Have you hugged your wolf today?"