Simple method to put LastName first and FirstName last from CommonUserName

This tip describes a simple way to turn a CommonUserName into LastName , FirstName MiddleInitial.

rs := @ReplaceSubstring(@Name
([CN]; @UserName); " "; ";");

exp := @Explode(rs; ";"; 0);


ele := @Elements(exp);


@If(ele=3; @Subset(exp; -1) + " , " + 
@Subset(exp; 1) + " " + @Subset(@Subset
(exp; 2); -1);
 @Subset(exp; -1) + " , " +
 @Subset(exp; 1))