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Top Forums Shell Programming and Scripting search for a string spread in multiple line Post 302250018 by finder255 on Wednesday 22nd of October 2008 02:41:39 PM
Old 10-22-2008
Bug search for a string spread in multiple line

Hi,

I have to look for the full string below in a large file(>5GB) , but that string may be spread in two lines.

string :-- "f8f8 f5f0 f0f0 f1f7 f4f7 f7c1"

By grep "f8f8 f5f0 f0f0 f1f7 f4f7 f7c1" file | tail -1
, I am getting incorrect result because there is a line after this also which contains same string in two lines which does not get caught above ..

Please help..

Finder..
 

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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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