chore: updating all.sas

all.sas

@@ -442,6 +442,9 @@ options noquotelenmax;
   @version 9.2
   @author Allan Bowe
 
+  <h4> Related Macros </h4>
+  @li mf_getxengine.sas
+
 **/
 /** @cond */
 
@@ -1189,6 +1192,49 @@ Usage:
   /* Return variable type */
   &vtype
 %mend;/**
+  @file
+  @brief Returns the engine type of a SAS fileref
+  @details Queries sashelp.vextfl to get the xengine value.
+  Usage:
+
+      filename feng temp;
+      %put %mf_getxengine(feng);
+
+  returns:
+  > TEMP
+
+  @param fref The fileref to check
+
+  @returns The XENGINE value in sashelp.vextfl or 0 if not found.
+
+  @version 9.2
+  @author Allan Bowe
+
+  <h4> Related Macros </h4>
+  @li mf_getengine.sas
+
+**/
+
+%macro mf_getxengine(fref
+)/*/STORE SOURCE*/;
+  %local dsid engnum rc engine;
+
+  %let dsid=%sysfunc(
+    open(sashelp.vextfl(where=(fileref="%upcase(&fref)")),i)
+  );
+  %if (&dsid ^= 0) %then %do;
+    %let engnum=%sysfunc(varnum(&dsid,XENGINE));
+    %let rc=%sysfunc(fetch(&dsid));
+    %let engine=%sysfunc(getvarc(&dsid,&engnum));
+    %* put &fref. ENGINE is &engine.;
+    %let rc= %sysfunc(close(&dsid));
+  %end;
+  %else %let engine=0;
+
+  &engine
+
+%mend;
+/**
   @file mf_isblank.sas
   @brief Checks whether a macro variable is empty (blank)
   @details Simply performs: