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Top Forums Shell Programming and Scripting Extract lines that match a pattern Post 302859947 by CarloM on Friday 4th of October 2013 09:28:46 AM
Old 10-04-2013
In your example input, is that actually 5 lines, or 1 line which has line-wrapped? Because neither of those grep commands should concatenate output lines like that.

Alternatively, is the output directly from grep, or are you doing something else with it first?

Last edited by CarloM; 10-04-2013 at 10:37 AM..
 

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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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