Check ./cfg directory exists before using.

cli.py

@@ -27,16 +27,27 @@ def parseFile(inputFile):
 def parseConfig(config):
     """With validated data structure, write out all the files."""
     global args
+    prefix = './cfg'
+    # Make sure ./cfg exists before we try to use it
+    if os.path.isdir( prefix ) == False:
+        try:
+            os.mkdir( prefix )
+            args.debug and print( f'DEBUG: created {prefix}')
+        except Exception as fileExcept:
+            print( f'WARN: Failed to create {prefix}: {fileExcept.strerror}\nUsing current directory instead.' )
+            prefix = '.'
+
     for currentClass in config:
         outfile = tempfile.NamedTemporaryFile( prefix=currentClass, delete=False )
         if args.debug:
-            print( f'created {outfile.name} ')
+            print( f'DEBUG: created temporary {outfile.name} ')
 
         classDict = config[currentClass]
         stringToWrite = tfscript.makeCFG(classDict)
         outfile.write(stringToWrite.encode("utf8"))
 
-        os.replace(outfile.name, f'./cfg/{currentClass}_nscript.txt')
+        os.replace(outfile.name, f'{prefix}/{currentClass}_nscript.txt')
+        args.debug and print( f'DEBUG: Created {prefix}/{currentClass}_nscript.txt')
         outfile.close()
 
 # Main function