Index: library/lib/nx-shell.tcl
===================================================================
diff -u -N -r0956bd063e7aaa155b4dccad0997b381ddd5ec15 -rf83d0a10ec39835f870e3e9191bddf9d324d6cd5
--- library/lib/nx-shell.tcl	(.../nx-shell.tcl)	(revision 0956bd063e7aaa155b4dccad0997b381ddd5ec15)
+++ library/lib/nx-shell.tcl	(.../nx-shell.tcl)	(revision f83d0a10ec39835f870e3e9191bddf9d324d6cd5)
@@ -7,8 +7,8 @@
   :public object method onRead {{chan stdin}} {
     append :line [read $chan]
     if {[eof $chan]} {
+        set :forever 0
         fileevent $chan readable {}
-        set :forever eof
     }
     if {${:line} eq "\n"} {
       unset :line