Hi J, Base 2 on an empty array gives 0 , which I guess makes sense: #. '' NB. array with no characters 0 #. 0$12 NB. no integers 0 #. 0$0 NB. no booleans
... the last one crashes my jqt-session however - as does for example: #. 3 }. 1 0 1 JVERSION Engine: j901/j64avx2/linux Release-a: commercial/2019-12-12T12:44:48 Library: 9.01.16 Qt IDE: 1.8.1/5.5.1 Platform: Linux 64 Installer: J901 install InstallPath: /home/ben/j901 Contact: www.jsoftware.com It was ok in J807. Workaround is simple: 2&#. 0$0 0 Grtz Ben ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm