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fix: avoid open file handle when the variable to find is not provided (in mf_existvar)

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Includes a test that was failing and is now passing
This commit is contained in:
allan
2023-04-05 15:29:53 +01:00
parent 7471bd42a4
commit 32dd057e83
3 changed files with 36 additions and 8 deletions
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12
base/mf_existvar.sas
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@@ -25,13 +25,17 @@
%local dsid rc;
%let dsid=%sysfunc(open(&libds,is));
%if &dsid=0 or %length(&var)=0 %then %do;
%if &dsid=0 %then %do;
%put %sysfunc(sysmsg());
0
0
%end;
%else %if %length(&var)=0 %then %do;
0
%let rc=%sysfunc(close(&dsid));
%end;
%else %do;
%sysfunc(varnum(&dsid,&var))
%let rc=%sysfunc(close(&dsid));
%sysfunc(varnum(&dsid,&var))
%let rc=%sysfunc(close(&dsid));
%end;
%mend mf_existvar;