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Top Forums UNIX for Advanced & Expert Users Grep --byte-offset not returning the offset (Grep version 2.5.1) Post 302853437 by Scrutinizer on Saturday 14th of September 2013 10:17:04 AM
Old 09-14-2013
Could it be that the 2.5.1 version is BSD grep? What is the output of
Code:
grep --version

In GNU grep 2.14 and 2.6.3 I get:
Code:
4:cat
16:cat
24:cat
44:cat


Last edited by Scrutinizer; 09-14-2013 at 11:54 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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