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/**
  @file mf_getuniquename.sas
  @brief Returns a shortened (32 char) GUID as a valid SAS name
  @details Use as follows:
 
      %let myds=%mf_getuniquename();
      %put &=myds;
 
  which returns:
 
> MCc59c750610321d4c8bf75faadbcd22
 
  @param prefix= set a prefix for the new name
 
  @version 9.3
  @author Allan Bowe
**/
 
 
%macro mf_getuniquename(prefix=MC);
  &prefix.%substr(%sysfunc(compress(%sysfunc(uuidgen()),-)),1,32-%length(&prefix))
%mend;