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? rday
