linux如何利用AWK或者sed提取文件指定内容

Question

怎么才能将这个文件里的URL地址和email提取出来，并保存到一个文件里

Contacting address: Middle-section of Nan'er Huan Road, Xi’an, Shaanxi, P.R. China
Chang’an University
Zip code: 710064
Tel: [phone]
Fax: [phone]
E-mail: [e-mail]
Web site: http://www.chd.edu.cn

Contacting address: Xianning West Road, Xi’an, Shaanxi, P.R. China
Xi'an Jiaotong University
Zip code: 710049
Tel: [phone]
Fax: [phone]
E-mail: [e-mail]
Web site: http://www.xjtu.edu.cn

Contacting address: No.2 South Taibai Road, Xi’an, Shaanxi, P.R. China
Xidian University
Zip code: 710071
Tel: [phone]
Fax: [phone]
E-mail: [e-mail]
Web site: http://www.xidian.edu.cn

谢谢各位大佬啦

Answer 1

cat 你的数据文件名 | awk '/^(E-mail|Web site)/{gsub(/^\s*E-mail:\s*/, "");gsub(/^Web site:\s*/, "");print $0}