[Maxima-bugs] [ maxima-Bugs-765510 ] writefile broken in Windows 5.9.0

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Bugs item #765510, was opened at 2003-07-03 20:18
Message generated for change (Comment added) made by crategus
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Category: Lisp Core
Group: None
>Status: Pending
>Resolution: Works For Me
Priority: 5
Private: No
Submitted By: Stavros Macrakis (macrakis)
Assigned to: Nobody/Anonymous (nobody)
Summary: writefile broken in Windows 5.9.0

Initial Comment:
writefile("c:/temp/dribble");
x^3;
closefile();

Creates the file specified, but doesn't put anything into 
it.  I tried ending the Maxima session to see if there was 
some channel still open or something, but that didn't 
change anything.  I also tried running a very long 
session, to see if there was some buffer flushing 
problem, but that didn't help either.

Maxima 5.9.0 GCL 2.5.0 mingw Windows 2000 Athlon


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>Comment By: Dieter Kaiser (crategus)
Date: 2009-01-03 03:35

Message:
I had no problems with writefile() and WindowXP since Maxima 5.12.0 using
GCL 2.6.7, GCL 2.6.8 and CLISP 2.44. 

I think this bug report can be closed. Status set to be pending.

Dieter Kaiser

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Comment By: Robert Dodier (robert_dodier)
Date: 2007-01-13 02:11

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Also attached character by character dump of writefile.out file (attached
previously).
File Added: od-writefile.out

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Comment By: Robert Dodier (robert_dodier)
Date: 2007-01-13 02:10

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With Maxima 5.11.0 / GCL 2.6.8 -- Maxima dribble function sort of works.
It appears that GCL is messing up the line endings -- instead of \r\n,
there are isolation \n and \r characters. Therefore if you do something
like open the file in notepad or enter "type <filename>" it appears messy.
I've attached an example output file and also the output of od (Unix octal
dump program) for the same file.

I'm inclined to close this as a "won't fix" since the evidence suggests
the problem is in GCL. I guess I'll wait on that for now.

File Added: writefile.out

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Comment By: Robert Dodier (robert_dodier)
Date: 2005-11-15 01:05

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another datum -- DRIBBLE works as expected in GCL 2.6.6 /
Windows XP (i.e., both user input and GCL output are
captured in the dribble file), so my guess at this point is
that Maxima binds the input and/or output stream to
something that DRIBBLE doesn't expect (and so the stream
data is not delivered to the file even though DRIBBLE is
capable).

Reading through the other comments, it looks like either the
input stream or output or both can cause trouble, but, for
some Lisp / Maxima combos, it works as expected, so changing
the stream bindings may break something that currently works
....

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Comment By: Robert Dodier (robert_dodier)
Date: 2005-09-12 03:22

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re-opening this bug report -- it has been reported that the
bug still exists.

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Comment By: SourceForge Robot (sf-robot)
Date: 2005-09-11 04:20

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This Tracker item was closed automatically by the system. It was
previously set to a Pending status, and the original submitter
did not respond within 14 days (the time period specified by
the administrator of this Tracker).

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Comment By: Robert Dodier (robert_dodier)
Date: 2005-08-27 18:16

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5.9.1cvs on clisp and gcl, writefile creates and writes both
%i and %o stuff to the file.

5.9.1 official release on cmucl, writefile writes only %o.

There have been several changes to src/macsys.lisp, which
defines $WRITEFILE, so it's possible this has been fixed.
It's also possible that this is a problem in the
implementation of DRIBBLE in Lisp. 

Marking this item as "pending" -- should be retested.

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Comment By: Doug Stewart (dougstewart)
Date: 2005-05-07 19:10

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WinXp   Maxima 5.9.1
writefile("test.txt");
This creates the file OK but the only thing that gets put in
the file is the  things typed at the command prompt. The
results from Maxima do not show up in the file. Nothing
shows up from a batch file just the typed characters when
you call the batch file. 
Also the end of line characters are the Linux method so the
file cannot be used by Notepad, must use OOo. or wordpad.
I hope this helps.
Doug Stewart

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