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Top Forums Shell Programming and Scripting Find multiple string in one file using find command Post 302560142 by clx on Thursday 29th of September 2011 03:24:17 AM
Old 09-29-2011
Quote:
Originally Posted by itkamaraj
put multiple pattern in one file ( a.txt)

and use fgrep
Probably you are talking about grep -f ?
fgrep is equivalent to grep -F. However both can be used together.

Sorry if you were trying to say something else which I misunderstood.
 

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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 is used to invoke the grep on compress'ed or gzip'ed files. All options specified are passed directly to grep. If no file is speci- fied, 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 zgrep is invoked as zegrep or zfgrep then egrep or fgrep is used instead of grep. If the GREP environment variable is set, zgrep uses it as the grep program to be invoked. For example: for sh: GREP=fgrep zgrep string files for csh: (setenv GREP fgrep; zgrep string files) AUTHOR
Charles Levert (charles@comm.polymtl.ca) SEE ALSO
grep(1), egrep(1), fgrep(1), zdiff(1), zmore(1), znew(1), zforce(1), gzip(1), gzexe(1) ZGREP(1)
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