Path: utzoo!attcan!uunet!world!decwrl!wuarchive!cs.utexas.edu!romp!auschs!awdprime!doorstop.austin.ibm.com!tif
From: tif@doorstop.austin.ibm.com (Paul Chamberlain)
Newsgroups: comp.unix.misc
Subject: Re: Fgrep need not be slow (was Re: Fast file scan)
Message-ID: <3809@awdprime.UUCP>
Date: 9 Oct 90 13:44:47 GMT
References: <143198@sun.Eng.Sun.COM> <1990Oct2.041451.3929@blilly.UUCP> <3790@awdprime.UUCP> <2440@van-bc.wimsey.bc.ca>
Sender: news@awdprime.UUCP
Reply-To: tif@doorstop.austin.ibm.com (Paul Chamberlain)
Organization: IBM AWD, Austin, TX
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In article <2440@van-bc.wimsey.bc.ca> jtc@van-bc.wimsey.bc.ca (J.T. Conklin) writes:
>In article <3790@awdprime.UUCP> tif@doorstop.austin.ibm.com (Paul Chamberlain) writes:
>>Fgrep means Fixed, egrep means Exponential (like in Exponentially faster)!
>As has been mentioned before, it depends on your implementation: not
>all fgreps are slow.

I confess, my statement was based just on SCO XENIX although I have been
led to believe than SysV also acted this way.  I just tried two AIX's.
AIX V2.2.1 fgrep is only slightly slower than egrep, and AIX V3.1 fgrep
is slightly faster than egrep!

Paul Chamberlain | I do NOT represent IBM.     tif@doorstop, sc30661 at ausvm6
512/838-7008     | ...!cs.utexas.edu!ibmaus!auschs!doorstop.austin.ibm.com!tif