Index: nxsh.in
===================================================================
diff -u -r043dc9b94b99894cc9b7ad6b61e469f67023c705 -r0f3ecd0524a309ace0729dbfeb5f299f8bf7a250
--- nxsh.in	(.../nxsh.in)	(revision 043dc9b94b99894cc9b7ad6b61e469f67023c705)
+++ nxsh.in	(.../nxsh.in)	(revision 0f3ecd0524a309ace0729dbfeb5f299f8bf7a250)
@@ -35,5 +35,7 @@
   set argv0 [lindex $argv 0]
   set argv  [lreplace $argv 0 0]
   incr argc -1
-  source $argv0
+  if {[catch [list source $argv0] errorMsg]} {
+    return -level 1 $errorMsg
+  } 
 }