Merge pull request #95 from sasjs/dirlist_enhancement

feat: Recursive Directory Listing

tests/crossplatform/mp_dirlist.test.sas

@@ -0,0 +1,50 @@
+/**
+  @file
+  @brief Testing mp_ds2cards.sas macro
+
+  <h4> SAS Macros </h4>
+  @li mf_nobs.sas
+  @li mf_mkdir.sas
+  @li mp_dirlist.sas
+  @li mp_assert.sas
+
+**/
+
+/**
+  * make a directory structure
+  */
+
+%let root=%sysfunc(pathname(work))/top;
+%mf_mkdir(&root)
+%mf_mkdir(&root/a)
+%mf_mkdir(&root/b)
+%mf_mkdir(&root/a/d)
+%mf_mkdir(&root/a/e)
+%mf_mkdir(&root/a/e/f)
+data "&root/a/e/f/ds1.sas7bdat";
+  x=1;
+run;
+
+%mp_dirlist(path=&root, outds=myTable, maxdepth=MAX)
+
+%mp_assert(
+  iftrue=(%mf_nobs(work.mytable)=6),
+  desc=All levels returned,
+  outds=work.test_results
+)
+
+%mp_dirlist(path=&root, outds=myTable2, maxdepth=2)
+
+%mp_assert(
+  iftrue=(%mf_nobs(work.mytable2)=5),
+  desc=Top two levels returned,
+  outds=work.test_results
+)
+
+%mp_dirlist(path=&root, outds=myTable3, maxdepth=0)
+
+%mp_assert(
+  iftrue=(%mf_nobs(work.mytable3)=2),
+  desc=Top level returned,
+  outds=work.test_results
+)