Expansion of the acronym "grep"
Jean-Pierre Radley
jpr at dasys1.UUCP
Sun Jul 23 08:01:35 AEST 1989
In article <2555 at cveg.uucp> jms at hcx.uucp (Michael Stanley) writes:
>
>I heard a long time ago that the origin of the word grep was the following
>old 'ed' command:
>
>'re' stood for a regular expression, and 'p' meant print. Basically,
>this command accomplished the same thing (in the editor) that grep
>accomplishes at the shell level. If anyone can confirm this, I'd
>definitely be interested to hear if it is correct. I believe I read
>this in an old UNIX manual.
>
You can confirm this on page 18 of the
first edition of Kernighan & Pike,
"The UNIX Programming Environment"
They say explicitly that grep was named from
g/regular-expression/p
Q.E.D.
--
Jean-Pierre Radley CIS: 72160,1341 jpr at jpradley.UUCP
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