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Browse - computer tips - rot13 script

Date: 2011apr5
OS: Linux

Q.  Can a shell script do rot13 "encryption" ?

A.  Yes, like this:

	#!/bin/sh
	exec tr 'a-zA-Z' 'n-za-mN-ZA-M'

Save it as /usr/local/bin/rot13

and do:

	chmod a+x /usr/local/bin/rot13

Use it like this:

	echo hello | rot13

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