Stata官方命令：display _request，接受键盘输入，与用户交互

逆光奔跑

用程序实现交互，比如让用户选择分析的数据集，如果输入auto，这执行命令集1；如输入auto2，则执行命令集2。

1. display "Which data set do you want to use?" _request(_dataset)
   
2. if "`dataset'" == "auto" {
   
3.     dis "auto" // CODE TO PROCESS DATA SET A
   
4. }
   
5. 
   
6. if "`dataset'" == "auto2" {
   
7.     dis "auto2" // CODE TO PROCESS DATA SET B
   
8. }

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使用全局宏：

1. display "Which data set do you want to use?" _request(dataset)
   
2. use `"$dataset"', clear
   
3. if `"$dataset"' == "A" {
   
4.     // CODE TO PROCESS DATA SET A
   
5. }
   
6. 
   
7. if `"$dataset"' == "B" {
   
8.     // CODE TO PROCESS DATA SET B
   
9. }

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出处:https://www.statalist.org/forums/forum/general-stata-discussion/general/1516330