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Shell Programming and Scripting
Grep the exact process in perl script
Post 302929000 by vgersh99 on Tuesday 16th of December 2014 06:37:54 PM
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I have a question regarding running perl in the current process.
I shall demonstrate with an example.
Look at this.
sh-2.05b$ pwd
/tmp
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#! /bin/sh
cd /etc
sh-2.05b$ ./test.sh
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/tmp
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/etc
sh-2.05b$
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FILE:
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LEARN ABOUT PHP
zgrep
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)