Re: How to redirect stdout

[Pedro Patinho]

Hi,

GNU Prolog 1.2.18
By Daniel Diaz
Copyright (C) 1999-2003 Daniel Diaz
| ?- tell(xpto), write('Hello'), nl, told.

(1 ms) yes
| ?- 

$ cat xpto 
Hello
$

Best Regards,
Pedro.

Alexandre Saidi <address@hidden> wrote:
# Thanks Lindsey,
# I've been trying any thing I could to make it work.
# Ther's no way !
# As I said, I saw a mail in the FAQ saying that stdout is not affected
# by set_output.
# I'm using the version 1.2.16.
# Perhaps ther'is is a trick withe the interactive mode ?
# 
# Thanks any way.
# ---------------------------------------------
# Here's what I do under prolog (for a test) :
# address@hidden:~> gprolog
# GNU Prolog 1.2.16
# By Daniel Diaz
# Copyright (C) 1999-2002 Daniel Diaz
# | ?- [user].
# compiling user for byte code...
# toto :- true.
# 
# user compiled, 2 lines read - 207 bytes written, 4104 ms
# 
# yes
# | ?- open(fichier,write,F), current_output(Old), set_output(F),
# listing, flush_output(F), flush_output, close(F).
# 
# toto.
# 
# F = '$stream'(2)
# Old = '$stream'(1)
# 
# (1 ms) yes
# | ?- halt.
# address@hidden:~>
# 
# The file 'fichier' is empty.
# I've done many other tests with no success.
# ---------------------------------------------------------
# 
# Lindsey Spratt a écrit :
# > Perhaps flush_output(F) before the close(F), or simply
# > 'flush_output', would help.
# > Lindsey
# > 
# > On Mar 1, 2005, at 3:04 AM, Alexandre Saidi wrote:
# > 
# >> Thanks for your help.
# >>
# >> I'd already tried :
# >>
# >> | ?-open('/home/alex/fichier',write,F), current_output(Old), 
# >> set_output(F), a_call, close(F), set_output(Old).
# >>
# >> But the file 'fichier' is of size 0 !
# >>
# >> So what's wrong with my code?
# >> should I flush something ?
# >>
# >> regards.
# >>
# >> AS
# > 
# > 
# > 
# 
# -- 
# Aleksander S. Saidi
# Ecole Centrale de Lyon
# Département Mathématiques-Informatique
# Mél : address@hidden
# Tél : 04.72.18.65.30, Fax : 04.78.33.16.15
# 
# 
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