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Tip of the Day:April 18
sasCommunity Tip of the Day
As part of the decommissioning effort for sasCommunity.org this article/tip has been migrated to communities.sas.com.
The new home for this article/tip is April 18 (https://communities.sas.com/t5/SAS-Tips-from-the-Community/SAS-Tip-Check-if-a-variable-exists-in-a-dataset/m-p/475813#M175)
%macro VarExist(ds, var); %local rc dsid result; %let dsid = %sysfunc(open(&ds)); %if %sysfunc(varnum(&dsid, &var)) > 0 %then %do; %let result = 1; %put NOTE: Var &var exists in &ds; %end; %else %do; %let result = 0; %put NOTE: Var &var not exists in &ds; %end; %let rc = %sysfunc(close(&dsid)); &result %mend VarExist; /* Usage */ %put %VarExist(sashelp.class, name); %put %VarExist(sashelp.class, aaa);
Submitted by Adrien VALLEE. Contact me at my Discussion Page.
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