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From: alexis@panix.uucp (Alexis Rosen)
Subject: Re: Minor incompatibility between Cnews and A/UX (possible Cnews bug)
Message-ID: <1991Jun26.151645.888@panix.uucp>
Date: Wed, 26 Jun 91 15:16:45 GMT
References: <1991Jun23.132007.10674@panix.uucp> <878@taniwha.UUCP>
Organization: PANIX - Public Access Unix Systems of NY

paul@taniwha.UUCP (Paul Campbell) writes:
>alexis@panix.uucp (Alexis Rosen) writes:
>>Also, quite interestingly, I've discovered that egrep seems to be _much_
>>slower than grep at doing this.
>
>this is why there are 3 greps fgrep is faster than grep is faster than egrep,
>they all use different pattern matching algorithms ..... 

According to my beat-up copy of Kernighan and Pike, egrep is faster than
grep. Why else would Henry & Geoff have used it?

BTW, how good is Gnu's grep, compared to the standard SVR2.2?

---
Alexis Rosen
Owner/Sysadmin, PANIX Public Access Unix, NY
alexis@panix.com
{cmcl2,apple}!panix!alexis