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length 语句

data test2_14;
input name$ number; /*列出输入变量*/
put name= number=; /*日志窗口输出变量*/
cards;
William,Edwards 10001
Greg,Curran 10002
Moore 10003
;
run;

data test2_14;
length name$ 20; /*指定变量长度*/
input name$ number; /*列出输入变量*/
put name= number=; /*日志窗口输出变量*/
cards;
William,Edwards 10001
Greg,Curran 10002
Moore 10003
;
run;