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Top Forums Shell Programming and Scripting getting two lines by using grep command Post 302485486 by rbatte1 on Wednesday 5th of January 2011 10:14:04 AM
Old 01-05-2011
From what I can see, Anchal Khare has a good solution. Read the grep/egrep/fgrep manual pages. The command given is saying:-
Code:
Get "first bit of text I'm searching for" or "second bit of text I'm searching for" from file abc.txt

The command egrep (or grep -E on AIX) allows you so speficy an extended regular expression as the search criteria, so you can set up both phrases.

Perhaps you could shrink the search to just
Code:
grep "=" abc.txt

.... unless that generates lots of wrong hits. It should find every line containing the equasl sign.

It's difficult to tell with such limited input how to neatly phrase the expression.


I cannot really comment on the awk solution because I'm not very practised.


I hope that this helps

Robin
Liverpool/Blackburn
UK
 

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XZGREP(1)							     XZ Utils								 XZGREP(1)

NAME
xzgrep - search compressed files for a regular expression SYNOPSIS
xzgrep [grep_options] [-e] pattern file... xzegrep ... xzfgrep ... lzgrep ... lzegrep ... lzfgrep ... DESCRIPTION
xzgrep invokes grep(1) on files which may be either uncompressed or compressed with xz(1), lzma(1), gzip(1), or bzip2(1). All options specified are passed directly to grep(1). If no file is specified, then the standard input is decompressed if necessary and fed to grep(1). When reading from standard input, gzip(1) and bzip2(1) compressed files are not supported. If xzgrep is invoked as xzegrep or xzfgrep then egrep(1) or fgrep(1) is used instead of grep(1). The same applies to names lzgrep, lze- grep, and lzfgrep, which are provided for backward compatibility with LZMA Utils. ENVIRONMENT
GREP If the GREP environment variable is set, xzgrep uses it instead of grep(1), egrep(1), or fgrep(1). SEE ALSO
grep(1), xz(1), gzip(1), bzip2(1), zgrep(1) Tukaani 2009-07-05 XZGREP(1)
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