When the macro processor executes a macro program statement that can create a macro variable (such as a %LET statement), the macro processor attempts to change the value of an existing macro variable ...

store values in macro variables (for example, to pass information from the current SCL program to subsequent programs in the application, to subsequent applications, or to other parts of SAS software) ...

These variables can be used in batch files, through the Run utility and in a programming environment such as VB and VBA. Typing % UserProfile% references the current user. Typing % UserProfile%\My ...

from a macro file, due to a bug in these versions some of the data variables in the worksheet could be overwritten. If the overwritten variables are themselves in the model it is possible that the ...