--- a/progs/fun/fun_tokens.sc	Thu Jan 20 08:58:38 2022 +0000
+++ b/progs/fun/fun_tokens.sc	Mon Jan 24 00:00:33 2022 +0000
@@ -249,7 +249,11 @@
   else { println (s"Tokenise Error") ; sys.exit(-1) }     
 }
 
-import ammonite.ops._
+// pre-2.5.0 ammonite 
+// import ammonite.ops._
+
+// post 2.5.0 ammonite
+import $ivy.`com.lihaoyi::os-lib:0.8.0` 
 
 //@doc("Tokenising a file.")
 @main