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eagles_dare13
Obsidian | Level 7

I found this code snippet in our code base:

data _null;

    file aaa;

    filename = 'xxx_123' ;

        run;

%include aaa;

filename aaa clear;

Will this run the macro xxx_123.sas and store the output in aaa and then clear it

1 ACCEPTED SOLUTION

Accepted Solutions
Tom
Super User Tom
Super User

No. Here is what it will do.

1) It will make a dataset name _NULL with one observation and one variable, FILENAME, with the value 'xxx_123'.

If the fileref AAA was defined before the data step then :

2A) it will be made empty since the data step writes nothing into it.

3A) it will then try to include the empty file as code and so nothing will happen.

4A) it will undefine the fileref AAA.

Otherwise

  2B)  it will create an empty file named aaa.dat in the current working directory.

  3B)  it will try to include SAS statements from a file named aaa.sas.  Effect will vary based on whether such a file exists or not.

  4B) it will get a warning trying to undefine the fileref AAA.

View solution in original post

1 REPLY 1
Tom
Super User Tom
Super User

No. Here is what it will do.

1) It will make a dataset name _NULL with one observation and one variable, FILENAME, with the value 'xxx_123'.

If the fileref AAA was defined before the data step then :

2A) it will be made empty since the data step writes nothing into it.

3A) it will then try to include the empty file as code and so nothing will happen.

4A) it will undefine the fileref AAA.

Otherwise

  2B)  it will create an empty file named aaa.dat in the current working directory.

  3B)  it will try to include SAS statements from a file named aaa.sas.  Effect will vary based on whether such a file exists or not.

  4B) it will get a warning trying to undefine the fileref AAA.

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