下面示例创建了一个用户自定义函数来返回日期和星期几。
set century off
clear
? longdate({02/16/95}) && 显示 thursday, february 16, 95
set century on
? longdate({02/16/95}) && 显示thursday, february 16, 1995
*** longdate ***
function longdate
parameters gddate
return cdow(gddate) + ', ' + mdy(gddate)