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Full Discussion: Shell script error
Top Forums Shell Programming and Scripting Shell script error Post 302943503 by RudiC on Saturday 9th of May 2015 06:01:34 AM
Old 05-09-2015
Depending on what your system is, use whereis grep or type grep or locate grep or other equivalent commands.

In your above code snippet, your hopping to and fro between directories. While this is not an error, it is unnecessary as you are using absolute paths for your commands, and output files should definitely NOT go to e.g. /usr/local/bin/. Maybe your entire PATH redefinition is unnecessary?

Last edited by RudiC; 05-10-2015 at 02:53 AM.. Reason: typo
 

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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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