--- a/progs/glue.sc	Thu Dec 09 00:07:51 2021 +0000
+++ b/progs/glue.sc	Tue Dec 14 11:40:31 2021 +0000
@@ -46,7 +46,7 @@
     val tks = tokenise(os.read(path))
     val ast = parse_tks(tks)
     compile_to_file(ast, class_name)
-    os.proc("java", s"${class_name}/${class_name}").call(stdout = os.Inherit)
+    os.proc("java", s"${class_name}/${class_name}").call(stdout = os.Inherit, stdin = os.Inherit)
     println(s"done.")
 }