摘要: data test; x="aaa bbb hahaha"; x1=compress(x); x2=left(x); put x1=; put x2=; run;x1=aaabbbhahahax2=aaa bbb hahaha 阅读全文
posted @ 2015-04-17 12:27 Sunny Qiang 阅读(697) 评论(0) 推荐(0) 编辑