Launch gprolog with sh

Hi,

I'm writing a script (.sh) which should launch gprolog, load a file (
wumpusMind.pl <http://name.pl/>) and the initial query (init) in the same
file which is in the form:

init :-
    retractall(counter(_)),
    ...

but there's something wrong (it seems in the consulting of name.pl):
gprolog --consult-file wumpusMind.pl --entry-goal 'init, nl'
(error message:)

paolo@paolo-PC-Ubuntu:~/Desktop$ sh lauch.sh
GNU Prolog 1.3.0
By Daniel Diaz
Copyright (C) 1999-2007 Daniel Diaz
warning: command-line goal 'init, nl' caused exception:
error(existence_error(procedure,init/0),'command-line')
| ?-

Manually I do the follow:
gprolog
| ?- [name]
| ?- init.
... processing

Have you got a clue?

Thanks in advance!

Paolo P.

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