feat: adding mf_getfmtlist() and mf_getfmtname() macros and associated tests. Also added &sasjswork as a global macro variable in mp_init().

base/mf_getfmtlist.sas

@@ -0,0 +1,61 @@
+/**
+  @file
+  @brief Returns a distinct list of formats from a table
+  @details Reads the dataset header and returns a distinct list of formats
+  applied.
+
+        %put NOTE- %mf_getfmtlist(sashelp.prdsale);
+        %put NOTE- %mf_getfmtlist(sashelp.shoes);
+        %put NOTE- %mf_getfmtlist(sashelp.demographics);
+
+  returns:
+
+  > DOLLAR $CHAR W MONNAME
+  > $CHAR BEST DOLLAR
+  > BEST Z $CHAR COMMA PERCENTN
+
+
+  @param [in] libds Two part library.dataset reference.
+
+  <h4> SAS Macros </h4>
+  @li mf_getfmtname.sas
+
+  @version 9.2
+  @author Allan Bowe
+
+**/
+
+%macro mf_getfmtlist(libds
+)/*/STORE SOURCE*/;
+/* declare local vars */
+%local out dsid nvars x rc fmt;
+
+/* open dataset in macro */
+%let dsid=%sysfunc(open(&libds));
+
+/* continue if dataset exists */
+%if &dsid %then %do;
+  /* loop each variable in the dataset */
+  %let nvars=%sysfunc(attrn(&dsid,NVARS));
+  %do x=1 %to &nvars;
+    /* grab format and check it exists */
+    %let fmt=%sysfunc(varfmt(&dsid,&x));
+    %if %quote(&fmt) ne %quote() %then %let fmt=%mf_getfmtname(&fmt);
+    %else %do;
+      /* assign default format depending on variable type */
+      %if %sysfunc(vartype(&dsid, &x))=C %then %let fmt=$CHAR;
+      %else %let fmt=BEST;
+    %end;
+    /* concatenate unique list of formats */
+    %if %sysfunc(indexw(&out,&fmt,%str( )))=0 %then %let out=&out &fmt;
+  %end;
+  %let rc=%sysfunc(close(&dsid));
+%end;
+%else %do;
+  %put &sysmacroname: Unable to open &libds (rc=&dsid);
+  %put &sysmacroname: SYSMSG= %sysfunc(sysmsg());
+  %let rc=%sysfunc(close(&dsid));
+%end;
+/* send them out without spaces or quote markers */
+%do;%unquote(&out)%end;
+%mend mf_getfmtlist;