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Full Discussion: find & grep
Top Forums UNIX for Dummies Questions & Answers find & grep Post 993 by mib on Thursday 1st of February 2001 01:34:40 AM
Old 02-01-2001
Quote:
Originally posted by PxT
Which version of Unix does this work on? I have never encountered a grep that works like this. A portable solution is:

find . -exec grep string {} /dev/null \;


grep -r "string" * works pretty well on Linux(RH).

However this is not a comprehensive method. But I think this could be used for what poster is mentioned since he is using '*'(this cause grep read all files under each directory recursively).

But if he uses grep -r "www" html* will only recurse into subdirectories whose names starts with "html". so if there is a subdirectory whose name is not starts with "html" will be ignored even if it has the file that contain "www" string.

my grep version: GNU grep 2.3

 

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ZGREP(1)						      General Commands Manual							  ZGREP(1)

NAME
zgrep - search possibly compressed files for a regular expression SYNOPSIS
zgrep [ grep_options ] [ -e ] pattern filename... DESCRIPTION
Zgrep invokes grep on compressed or gzipped files. These grep options will cause zgrep to terminate with an error code: (-[drRzZ]|--di*|--exc*|--inc*|--rec*|--nu*). All other options specified are passed directly to grep. If no file is specified, then the standard input is decompressed if necessary and fed to grep. Otherwise the given files are uncompressed if necessary and fed to grep. If the GREP environment variable is set, zgrep uses it as the grep program to be invoked. EXIT CODE
2 - An option that is not supported was specified. AUTHOR
Charles Levert (charles@comm.polymtl.ca) SEE ALSO
grep(1), gzexe(1), gzip(1), zdiff(1), zforce(1), zmore(1), znew(1) ZGREP(1)
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