Writing SAS source files included with a %INCLUDE statement to the SAS Log

By default, SAS source statements included with a %INCLUDE statement are NOT automatically written to the SAS Log. To print secondary SAS source statements included with a %INCLUDE statements, users will need to specify the SOURCE2 system option. 

The default setting is NOSOURCE2. Either option can be specified in an OPTIONS statement, in the OPTIONS window, at SAS invocation, or in the configuration file.