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[Omaha.pm] perl instead of cut -f 2,3,1

To: David L Klinkebiel <dklinkebiel@unmc.edu>
Subject: [Omaha.pm] perl instead of cut -f 2,3,1
From: Jay Hannah <jay.hannah@iinteractive.com>
Date: Tue, 17 Apr 2012 12:58:36 -0500
Cc: Nebraska USA Perl Mongers of Omaha <omaha-pm@pm.org>
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Reply-to: "Perl Mongers of Omaha, Nebraska USA" <omaha-pm@pm.org>

Hi David,

As you discovered, 

   cut -f 2,3,1 inputfile.txt

Actually gives you columns 1,2,3. cut ignores resorting requests. (boo!)

Perl field numbering starts at zero instead of one. This should give you want you wanted:

   perl -anE 'say join "\t", @F[1,2,0]' inputfile.txt

Cheers,

Jay Hannah
Project Lead / Programmer
http://www.iinteractive.com
Email: jay.hannah@iinteractive.com
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