File: rotated-data

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#!/bin/sh
# $Id: rotated-data,v 1.1 2004/12/19 16:43:47 tom Exp $
# Rotate the second parameter's data by the given shift count.
if test $# != 0
then
	case $1 in
	[1-9]*)
		left=$1
		next=`expr $left + 1`
		shift 1
		;;
	*)
		left=1
		next=2
		;;
	esac
	char=`echo "$@" | cut -b -${left}`
	data=`echo "$@" | cut -b ${next}-`

	printf "%s%s\n" $data $char
else
	echo
fi