#!/bin/bash
start=${1}
end=${1#*-}
shift
count=1
if [[ -z "${end}" ]] ; then
#	echo "no end specified"
	if [[ $# -eq 1 ]] ; then
		echo "setting count"
		count=${1}
	fi
	end=$(( ${start} - 1 + ${count} ))
#	echo "from ${start}"
#	echo "end ${end}"
else
	start=${start%-*}
#	echo "from ${start}"
#	echo "end ${end}"
fi

cat $@ | head -n+${end} | tail -n+${start}