does a zgrep exist? (zgrep <> zcat | grep)
Tom Christiansen
tchrist at convex.COM
Mon Feb 18 18:53:30 AEST 1991
>From the keyboard of uunet!bria!mike:
:Why, when grep assumes stdin if you only supply the regex?
:
: zcat file.Z | grep regex
Guys, the original problem was that
zcat *.Z | grep regexp
didn't help him identify in which file the match was found. Witness:
>From brister at decwrl.december.com (James Brister) in
<BRISTER.91Feb14204903 at saratoga.decwrl.december.com>:
>It would be nice to grep through compressed files. Sure, you can do zcat |
>grep regexp, but then you loose the ability of grep to tell you the
>filename and/or linenumber of a match. Uncompressing the files before
>greping isn't really wanted, cause you may not have the space on disk.
How quickly we forget!
--tom
--
Tom Christiansen tchrist at convex.com convex!tchrist
"All things are possible, but not all expedient." (in life, UNIX, and perl)
More information about the Comp.unix.shell
mailing list