文字列の長さを返します。
種類: | マクロ関数 |
%let a=Happy; %let b=Birthday; %put The length of &a is %length(&a).; %put The length of &b is %length(&b).; %put The length of &a &b To You is %length(&a &b to you).;
The length of Happy is 5.The length of Birthday is 8.The length of Happy Birthday To You is 21.