[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [HELP] (bug?) Saving a buffer without any conversion?
From: |
Mario Lang |
Subject: |
Re: [HELP] (bug?) Saving a buffer without any conversion? |
Date: |
Tue, 14 Jan 2003 07:46:11 +0100 |
User-agent: |
Gnus/5.090008 (Oort Gnus v0.08) Emacs/21.2 (i386-pc-linux-gnu) |
Eli Zaretskii <address@hidden> writes:
> On 14 Jan 2003, Kim F. Storm wrote:
>
>> > We're receiving binary content via a network process. After the
>> > transfer is complete, this buffer should be saved to a file.
>> >
>> > The effect I'm having is that we receive 1372422 bytes via the process
>> > filter function STRING argument, and after insertion into a buffer,
>> > we have a buffer with buffer-size 1372422, but after calling (save-buffer)
>> > we get this:
>> >
>> > -rw-r--r-- 1 root root 1865264 Jan 13 18:35 blah28.mp3
>> >
>> > I'm using:
>> >
>> > (set-process-coding-system proc 'binary 'binary)
>> > (set-buffer-file-coding-system 'no-conversion t)
>> >
>>
>> I have looked at Mario's data before sending it to emacs and after
>> emacs has written it to a file.
>>
>> It seems that every byte in the range 0xa0 .. 0xff that were in the
>> original file is prefixed with an 0x81 byte in the file containing the
>> received data. To me, that looks like the internal multi-byte
>> representation for the binary data.
>
> Yes. That's what no-conversion does: it prevents encoding of the
> internal buffer's contents.
>
> I suggest to use raw-text for both coding systems above, and see if that
> helps.
I've tried that now, and no. 'raw-text has the same effect as
'no-conversion or 'binary....
> An alternative approach is to (set-buffer-multibyte nil) before reading
> the data into it and before saving it.
This works! Thanks! But I'm still a bit confused as to why
setting coding-system does not help.
>> The buffer's coding system for save is no-conversion. How did
>> that internal data end up in the file?
>
> Probably because the buffer was a multibyte buffer, in which case
> no-conversion writes out the internal representation. That's why I
> suggested using raw-text to save the buffer.
Hmm, well raw-text sounds right, but it doesnt work. Any idea why?
--
CYa,
Mario
- [HELP] (bug?) Saving a buffer without any conversion?, Mario Lang, 2003/01/13
- Re: [HELP] (bug?) Saving a buffer without any conversion?, Kenichi Handa, 2003/01/14
- Re: [HELP] (bug?) Saving a buffer without any conversion?, Kim F. Storm, 2003/01/15
- Re: [HELP] (bug?) Saving a buffer without any conversion?, Kenichi Handa, 2003/01/15
- Re: [HELP] (bug?) Saving a buffer without any conversion?, Kim F. Storm, 2003/01/15
- Re: [HELP] (bug?) Saving a buffer without any conversion?, Eli Zaretskii, 2003/01/15
- Re: [HELP] (bug?) Saving a buffer without any conversion?, Kim F. Storm, 2003/01/16
- Re: [HELP] (bug?) Saving a buffer without any conversion?, Kenichi Handa, 2003/01/16
- Re: [HELP] (bug?) Saving a buffer without any conversion?, Kenichi Handa, 2003/01/15