Welcome to the Ammonite Repl 0.5.2
(Scala 2.11.7 Java 1.8.0_60)
....
michael-foo@ %("ls", 'bar)
res5: Int = 0
michael-foo@ ls! wd/'bar
java.lang.UnsupportedOperationException: empty.maxBy
scala.collection.TraversableOnce$class.maxBy(TraversableOnce.scala:234)
scala.collection.AbstractTraversable.maxBy(Traversable.scala:104)
ammonite.repl.frontend.FrontEndUtils$.tabulate(FrontEndUtils.scala:17)
ammonite.shell.PPrints$$anonfun$lsSeqRepr$1$$anonfun$apply$1.apply(ShellSession.scala:43)
ammonite.shell.PPrints$$anonfun$lsSeqRepr$1$$anonfun$apply$1.apply(ShellSession.scala:43)
scala.collection.Iterator$JoinIterator.rhs$lzycompute(Iterator.scala:192)
scala.collection.Iterator$JoinIterator.rhs(Iterator.scala:192)
scala.collection.Iterator$JoinIterator.hasNext(Iterator.scala:193)
pprint.PPrinter$.strIter$1(PPrint.scala:241)
pprint.PPrinter$.pprint$PPrinter$$takeFirstLines(PPrint.scala:258)
pprint.PPrinter$$anon$4.render0(PPrint.scala:116)
pprint.PPrinter$class.render(PPrint.scala:102)
pprint.PPrinter$$anon$4.render(PPrint.scala:113)
pprint.PPrint$$anon$3.render(PPrint.scala:62)
ammonite.repl.frontend.DefaultReplAPI$Internal$.print(ReplAPI.scala:314)
