BF: importData excludeColnames arg is a list

funpack/main.py

@@ -172,7 +172,8 @@ def doImport(args, mgr):
     # an identifying suffix to the names
     # of columns to be removed. This is
     # then passed through as an exclusion
-    # pattern to the importData function.
+    # pattern to the importData function
+    # via its excludeColnames option.
     if args.remove_duplicates:
         suffix           = importing.REMOVE_DUPLICATE_COLUMN_IDENTIFIER
         renameDuplicates = True
@@ -211,6 +212,8 @@ def doImport(args, mgr):
     variables       = args.variable
     categories      = args.category
     columns         = args.column
+    if suffix is None: excludeColnames = []
+    else:              excludeColnames = [suffix]
 
     # Import data
     with util.timed('Data import', log):
@@ -221,7 +224,7 @@ def doImport(args, mgr):
             cattable=cattable,
             variables=variables,
             colnames=columns,
-            excludeColnames=[suffix],
+            excludeColnames=excludeColnames,
             categories=categories,
             subjects=subjects,
             subjectExprs=exprs,