diff -r 6916229b817b -r 077fc2e5412c progs/while-compiler-arrays/compile_arrays.sc
--- a/progs/while-compiler-arrays/compile_arrays.sc	Mon Aug 24 00:24:58 2020 +0100
+++ b/progs/while-compiler-arrays/compile_arrays.sc	Mon Aug 24 15:03:55 2020 +0100
@@ -227,7 +227,8 @@
   println(s"generated $class_name.j file")
   os.proc("java", "-jar", "jasmin.jar", s"$class_name.j").call()
   println(s"generated $class_name.class file ")
-  println(os.proc("java", s"${class_name}/${class_name}").call().out.text())
+  //println(os.proc("java", s"${class_name}/${class_name}").call().out.text())
+  os.proc("java", s"${class_name}/${class_name}").call(stdout = os.Inherit)
   println(s"done.")
 }