feat(*): recreate library as scoped package

base/mf_getschema.sas

@@ -0,0 +1,40 @@
+/**
+  @file mf_getschema.sas
+  @brief Returns the database schema of a SAS library
+  @details Usage:
+
+      %put %mf_getschema(MYDB);
+
+  returns:
+  > dbo
+
+  @param libref Library reference (also accepts a 2 level libds ref).
+
+  @return output returns the library schema for the FIRST library encountered
+
+  @warning will only return the FIRST library schema - for concatenated
+    libraries, with different schemas, inconsistent results may be encountered.
+
+  @version 9.2
+  @author Allan Bowe
+**/
+
+%macro mf_getschema(libref
+)/*/STORE SOURCE*/;
+  %local dsid vnum rc schema;
+  /* in case the parameter is a libref.tablename, pull off just the libref */
+  %let libref = %upcase(%scan(&libref, 1, %str(.)));
+  %let dsid=%sysfunc(open(sashelp.vlibnam(where=(
+    libname="%upcase(&libref)" and sysname='Schema/Owner'
+  )),i));
+  %if (&dsid ^= 0) %then %do;
+    %let vnum=%sysfunc(varnum(&dsid,SYSVALUE));
+    %let rc=%sysfunc(fetch(&dsid));
+    %let schema=%sysfunc(getvarc(&dsid,&vnum));
+    %put &libref. schema is &schema.;
+    %let rc= %sysfunc(close(&dsid));
+  %end;
+
+  &schema
+
+%mend;