#!/bin/sh

# body
# 2000-4-17
# Chieh Cheng
# http://www.CynosureX.com/

# GNU General Public License (GPL) Version 2, June 1991

scriptName=`basename "$0"`

if [ $# -ne 2 ]
then
  echo "  Usage:   ${scriptName} \"start line number\" \"end line number\""
else
  startline=$1
  endline=$2

  if [ ${startline} -le ${endline} ]
  then
    diff=`expr ${endline} - ${startline} + 1`
    head -${endline} | tail -${diff} <&0
  else
    echo "${scriptName}: start line (${startline}) greater than end line (${endline})." >&2
  fi
fi