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Top Forums UNIX for Dummies Questions & Answers Pull out multiple lines with grep patternfile Post 302784799 by Don Cragun on Saturday 23rd of March 2013 05:46:37 AM
Old 03-23-2013
Please use CODE tags!

If you don't show us the contents of MasterFile.txt and Pattern.txt, there isn't much we can do to figure out why your pipelines aren't working (although they could easily be made faster and more efficient by getting rid of the unneeded cat commands).

What system are you using. (Are you by any chance using any files produced on a Windows system with carriage return and newline characters at the end of each line instead of just a newline?)
 

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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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