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Full Discussion: Help in writing a script
Top Forums Shell Programming and Scripting Help in writing a script Post 302359926 by Scott on Wednesday 7th of October 2009 05:49:13 PM
Old 10-07-2009
I'm finding it increasingly difficult as I move from "proper UNIX" to linux to know what is standard.

There are just so many distributions of Linux about that all bets are off as to what versions of what anyone might have.

On AIX for example, "grep -p" is great for extracting stanzas (paragraphs) from files. But that's not standard I guess as GNU grep doesn't have it.

Add to that finds maxdepth, sed's in-place replacement... etc., etc.

Live and learn.

---
forgot to mention the worst one, echo -n (or echo minus anything)

Last edited by Scott; 10-07-2009 at 07:24 PM..
 

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BZGREP(1)						      General Commands Manual							 BZGREP(1)

NAME
bzgrep, bzfgrep, bzegrep - search possibly bzip2 compressed files for a regular expression SYNOPSIS
bzgrep [ grep_options ] [ -e ] pattern filename... bzegrep [ egrep_options ] [ -e ] pattern filename... bzfgrep [ fgrep_options ] [ -e ] pattern filename... DESCRIPTION
Bzgrep is used to invoke the grep on bzip2-compressed files. All 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 bzgrep is invoked as bzegrep or bzfgrep then egrep or fgrep is used instead of grep. If the GREP environment variable is set, bzgrep uses it as the grep program to be invoked. For example: for sh: GREP=fgrep bzgrep string files for csh: (setenv GREP fgrep; bzgrep string files) AUTHOR
Charles Levert (charles@comm.polymtl.ca). Adapted to bzip2 by Philippe Troin <phil@fifi.org> for Debian GNU/Linux. SEE ALSO
grep(1), egrep(1), fgrep(1), bzdiff(1), bzmore(1), bzless(1), bzip2(1) BZGREP(1)
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