Index: nxsh.in
===================================================================
diff -u -rd137fce76cdcb71cb10ea76a24e480923124d12c -r043dc9b94b99894cc9b7ad6b61e469f67023c705
--- nxsh.in	(.../nxsh.in)	(revision d137fce76cdcb71cb10ea76a24e480923124d12c)
+++ nxsh.in	(.../nxsh.in)	(revision 043dc9b94b99894cc9b7ad6b61e469f67023c705)
@@ -21,9 +21,13 @@
     }
     append line [gets stdin]
     if {[info complete $line]} {
-       puts [eval $line]
-       set line ""
-       continue
+      if {[catch $line result]} {
+	puts $::errorInfo
+      } else {
+	puts $result
+      }
+      set line ""
+      continue
     }
     append line \n 
   }