#!/bin/bash

function run_cmd()
{
  err_code=$(($err_code+1))
  if [[ "$1" == "" ]]; then
	echo "Error:Need command to run_cmd() function!"
	exit -1
  fi
  $1
  if [[ "$?" != "0" ]]; then
	echo \"$1\" error >&2
	exit $err_code
  fi
}
