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Path: utzoo!utgpu!water!watnot!watmath!clyde!cbatt!ihnp4!ihlpf!straka
From: straka@ihlpf.UUCP
Newsgroups: comp.sources.d
Subject: Re: "look" utility?
Message-ID: <1186@ihlpf.ATT.COM>
Date: Wed, 4-Mar-87 14:00:25 EST
Article-I.D.: ihlpf.1186
Posted: Wed Mar  4 14:00:25 1987
Date-Received: Fri, 6-Mar-87 07:29:35 EST
References: <1916@cbdkc1.UUCP> <837@maynard.BSW.COM> <1145@ihlpf.ATT.COM> <846@maynard.BSW.COM>
Organization: AT&T Bell Laboratories - Naperville, Illinois
Lines: 19
Summary: "look"

In article <846@maynard.BSW.COM>, campbell@maynard.BSW.COM (Larry Campbell) writes:
> >>     It uses binary search.
> >> Note that look searches for a literal string, not a regular expression.
> >> You could use grep, but for a sizable file look can be hundreds of times
> >> faster.

> >What about using fgrep?
> >Or possibly grep "^string"?

> What about it?  look is still hundreds of times faster.

Yes, I apologize.  I agree; it was simply a case of being asleep at the
terminal.  Binary searches of large sorted data are certainly faster
than any simple sequential search.

Moral: Have enough caffeine in your veins before responding to postings!

-- 
Rich Straka     ihnp4!ihlpf!straka