data test;
x=" aaa bbb hahaha";
x1=compress(x);
x2=left(x);
put x1=;
put x2=;
run;
x1=aaabbbhahaha
x2=aaa bbb hahaha
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data test;
x=" aaa bbb hahaha";
x1=compress(x);
x2=left(x);
put x1=;
put x2=;
run;
x1=aaabbbhahaha
x2=aaa bbb hahaha
相关文章：