does a zgrep exist? (zgrep <> zcat | grep)

[uunet!bria!mike]

In an article, robobar.co.uk!ronald (Ronald S H Khoo) writes:
|Well, if you have it, zcat | grep regexp /dev/stdin would do what you wanted.
|If you can't hack a /dev/stdin driver into your kernel, then as an alternative
|you could modify grep to understand "-" as a filename.

Why, when grep assumes stdin if you only supply the regex?

	zcat file.Z | grep regex

-- 
Michael Stefanik, MGI Inc., Los Angeles| Opinions stated are not even my own.
Title of the week: Systems Engineer    | UUCP: ...!uunet!bria!mike
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