yongyitian 发表于 2013-9-4 10:55 
try to submit the following code from program editor (not enhanced editor)
It works on my site.
Thanks you.
I have try this way yesterday. It works in Windows SAS but not in Unix.
I think I had to try another way that depend on Unix directly.
Thank you again. And by the way, I remember the rm command is open code, do not need set in data step.