#!/bin/sh

# TailMinus.sh
# 2008-07-21
# Chieh Cheng
# http://www.CynosureX.com/

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

scriptName=`echo $0 | sed s/\\\\/.*\\\\///g`

if [ $# -ne 2 ]
then
  echo "  Usage:   ${scriptName} \"skip lines\" \"file\""
else
  skipLines=$1
  file="$2"

  if [ -f "${file}" ]
  then
    lines=`cat "${file}" | wc -l`
    remain=`expr "${lines}" - ${skipLines}`
    if [ ${remain} -gt 0 ]
    then
      tail -${remain} "${file}"
    fi
  else
    echo "${file} not found!"
  fi
fi