Turns out argparse handles mandatory argments lol

main.py

@@ -26,16 +26,8 @@ try:
   keepOtherFiles = args.keepotherfiles
   preserveMetadata = not args.stripmetadata
 
-  startDir = ""
-  if(args.source):
-    startDir = args.source
-  else:
-    print("No source directory specified!")
-    exit()
-
-  outDir = startDir+"_"+targetFormat
-  if(args.target):
-    outDir = args.target
+  startDir = args.source
+  outDir = args.target
 
   filecount = 0
   for path,dirs,files in os.walk(startDir):