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Anna_dlC
Obsidian | Level 7

I have this long-running macro code to check for the existence of a local table but there are no statements after the THEN.  What happens?  What does SAS do?  I'm just trying to understand the logic

 

/* make sure the local table exist */

%if %sysfunc(exist(cdm.&tablename)) %then;  

    %else %do;

      %let man_month=%sysfunc(putn(%sysfunc(intnx(MONTH,%sysfunc(inputn(&sysdate9,date9.)),+1)),yymmn6.));

      %return;

   %end;

1 ACCEPTED SOLUTION

Accepted Solutions
PaigeMiller
Diamond | Level 26

If this macro finds that the table exists, it does nothing. If it does not exists then it does the calculation in the %ELSE portion.

--
Paige Miller

View solution in original post

2 REPLIES 2
PaigeMiller
Diamond | Level 26

If this macro finds that the table exists, it does nothing. If it does not exists then it does the calculation in the %ELSE portion.

--
Paige Miller
gamotte
Rhodochrosite | Level 12

A more readable version would be to simply negate the condition :

 

%if not %sysfunc(exist(cdm.&tablename)) %then do;  
    %let man_month=....
%end;

 

 

 

 

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