友人问我如何在宏环境或者数据步里根据某特定字符来截取某（几）个字符串. 答案应该很多。在这里CALL SCAN()也许是不错的选择. 但是routine在宏里的使用的例子并不多见。。。


京剧
someone asks me this question: how to get the string of the main website from a given long string of full link? Here i gave an example in the following link. I focus this question on using call routine in macro environment.

jingju
http://blog.sina.com.cn/s/blog_a3a926360102uwkz.html