Posts

Showing posts with the label SYMBOLGEN

Macro Debugging Options in SAS

Macro Debugging Options in SAS Macro Debugging Options in SAS The SAS Macro Facility is a powerful feature that allows for dynamic code generation and automation. However, when macros become complex, it can be challenging to understand how they are executing and where issues might arise. SAS provides several debugging options to help developers trace the execution of macros and diagnose problems. In this article, we will explore the following debugging options: MPRINT MLOGIC SYMBOLGEN MACROGEN MFILE MPRINT The MPRINT option is used to display the SAS statements that are generated by macro execution. This option helps you see the actual code that a macro produces, which is essential for understanding what your macro is doing. Basic Example: options mprint; %macro greet(name); %put Hello, &name!; %mend greet; %greet(Sarath); When you run the above code with the...

Macro Debugging Options:MPRINT, MLOGIC, SYMBOLGEN, MACROGEN, MFILE

Macro Debugging Options: Debugging a macro code isn’t easy process. It is difficult to identify the problem in the SAS code just by seeing the ERROR message in the LOG file. It is lot easier to debug a macro if we use the following SAS options. There are four system options that are helpful in debugging SAS Macros: SYMBOLGEN, MPRINT, MLOGIC, and MFILE. Each option adds different information to the SAS LOG File. Like any other SYSTEM OPTIONS, you turn these on using the OPTIONS statement: Options macrogen symbolgen mlogic mprint mfile; You can turn them off by specifying the following OPTIONS statement: Options nomacrogen NoSymbolgen nomlogic nomprint nomfile; Both statements are needed in side SAS. Once you set any option and it will remain in effect throught the SAS session. So if you want to debug the macro use first OPTIONs Statemnt else use 2nd one. Let’s look at each option, and the output they produce in more detail… MPRINT: As we know that when we execute...