streamlined cell running

tokenize.ce

@@ -1,5 +1,6 @@
+var fd = use("fd")
 var tokenize = use("tokenize")
-var src = args[0]
-var filename = length(args) > 1 ? args[1] : "<stdin>"
+var filename = args[0]
+var src = text(fd.slurp(filename))
 var result = tokenize(src, filename)
 print(json.encode({filename: result.filename, tokens: result.tokens}))