data test;
x=" aaa bbb hahaha"; x1=compress(x); x2=left(x); put x1=; put x2=; run;
x1=aaabbbhahaha
x2=aaa bbb hahaha本文共 168 字，大约阅读时间需要 1 分钟。
data test;
x=" aaa bbb hahaha"; x1=compress(x); x2=left(x); put x1=; put x2=; run;
x1=aaabbbhahaha
x2=aaa bbb hahaha转载于:https://www.cnblogs.com/qiangshu/p/4434551.html