Fixed script handling of multiple suffixes

bin/enrgmd

@@ -30,7 +30,7 @@ if __name__ == '__main__':
     infile = pathlib.Path(args.input_file)
     try:
         prefix = infile.stem
-        extension = ".".join(infile.suffixes)
+        extension = infile.suffix
     except:
         raise Exception("Unrecognized input file '{}'".format(infile))
         

bin/mrdna

@@ -42,7 +42,7 @@ if __name__ == '__main__':
     infile = pathlib.Path(args.input_file)
     try:
         prefix = infile.stem
-        extension = ".".join(infile.suffixes)
+        extension = infile.suffix
     except:
         raise Exception("Unrecognized input file '{}'".format(infile))