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Re: [OTW] Grep vs SED



On Tue, 9 May 2006 14:10:57 -0400 (EDT), "Robert P. J. Day"
<rpjday mindspring com> opined:
> On Tue, 9 May 2006, David Cary Hart wrote:
> 
> > (Off the Wall Question) I have been asked:
> >
> > Given a very large file.txt and a desire to remove a matching
> > line:
> >
> > 	$ grep -v matching_line file.txt > file.txt.new
> >
> > or;
> >
> > 	$ sed '/matching_line _RegEx/d'  file.txt > file.txt.new
> >
> > Which method is more efficient or is it a tossup?
> 
> why not use "time" to find out?
> 
Simple. I did not think of doing so. Thanks - I think. -;)

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