如何使用bash shell脚本从文本文件中检查URL的状态

I have to check the status of 200 http URLs and find out which of these are broken links. The links are present in a simple text file (say URL.txt present in my ~ folder). I am using Ubuntu 14.04 and I am a Linux newbie. But I understand the bash shell is very powerful and could help me achieve what I want. I have to check the status of 200 http URLs and