@Cynthia_sas,
Thank you very much for your invaluable sample. I sometimes forget to use MPRINT option but it is useful option, when we use the Macro processor.
I also know that there is no need to put the %LET or %PUT before the macro definition,but I will try to be careful, when write macro codes.
This is the dynamic structure which I talked in my previous posts., now, I have two meaningful macro samples to build dynamic structures. It is not easy to find this kind of codes 🙂 Thank you very much.
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