LINUX 超过2G的判断

du -sg ${v_interface_file}.Z > 1.log
echo "\n" >> 1.log
while read v_line
do
  echo $v_line
  v_size=`echo $v_line | awk '{print $1}'`
  v_size_int=`echo $v_size | awk -F . '{print $1}'`
  v_file=`echo $v_line | awk '{print $2}'`    

  if [ "$v_size_int" -ge "2" ];then
   echo "文件$v_file大小为v_size超过2M,请重新手工打包、压缩"
  

    return 1
 fi
done<1.log