How do I write a macro code in SAS?
This macro statement writes text or macro variable information to the SAS log. In the below example the value of the variable ‘today’ is written to the program log. data _null_; CALL SYMPUT (‘today’, TRIM(PUT(“&sysdate”d,worddate22.))); run; %put &today When the above code is run we get the following output.
What is macro language in SAS?
The SAS macro language is a very versatile and useful tool. It is often used to reduce the amount of regular SAS code and it facilitates passing information from one procedure to another procedure. Furthermore, we can use it to write SAS programs that are “dynamic” and flexible.
How do I create a macro variable in SAS?
The easiest way to create a macro variable in SAS is by using the %LET Macro Statement. This statement creates a macro variable and assigns it a value. You can also use the %LET statement to overwrite the existing value of a macro variable.
How do you write a macro program?
Record a macro with a button
- Click View > Macros > Record Macro.
- Type a name for the macro.
- To use this macro in any new documents you make, be sure the Store macro in box says All Documents (Normal.
- To run your macro when you click a button, click Button.
- Click the new macro (it’s named something like Normal.
How many ways can you create macros in SAS?
Now, you know the four methods to create macro variables in SAS. Nevertheless, creating macro variables depends on the programmer’s preferences. %LET is adequate for creating a single macro variable. If you want to create many macro variables, consider using the CALL SYMPUT or PROC SQL methods.
What are SAS macro variables?
Macro variables are tools that enable you to dynamically modify the text in a SAS program through symbolic substitution. You can assign large or small amounts of text to macro variables, and after that, you can use that text by simply referencing the variable that contains it.
How do I assign a macro variable?
The simplest way to assign a value to a macro variable is to use the macro program statement %LET: %let dsname=Newdata; DSNAME is the name of the macro variable. Newdata is the value of the macro variable DSNAME.
What is the purpose of macros?
A macro is an automated input sequence that imitates keystrokes or mouse actions. A macro is typically used to replace a repetitive series of keyboard and mouse actions and used often in spreadsheets and word processing applications like MS Excel and MS Word. The file extension of a macro is commonly . MAC.
How many ways can you create a macro in SAS?
What is Sasautos SAS?
SAS automatically generates a fileref named SASAUTOS. This is the default value of the SASAUTOS= option and points to all the SAS autocall macros. If the value of SASAUTOS= is overwritten, then SAS no longer knows where to locate its own autocall macros.