How do I prevent zsh from opening pipes and read redirections in text mode?

[Peter A. Castro]

On Thu, 4 Dec 2008, Eric Blake wrote:

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> According to Hudec, Jan on 12/4/2008 1:40 AM:
>> Hello Folks,
>>
>> I have a program (actually a cygwin program -- git-fast-import) that reads commands from standard input and absolutely needs the stream to be binary (byte counts to be read are included in some commands). However, zsh forces it's input to text mode both when I run:
>>  git-fast-import < file
>
> I suppose I could try submitting a patch to the git folks that uses
> #include <io.h> and setmode.  But this also sounds like zsh might be doing
> something wrong.

I don't think that's the problem, nor that that the proposed change above
would help.  Nothing has changed with reguards to Zsh's I/O, stdio or
pipes, between 4.3.4 and 4.3.9.  The Text cooking of file I/O is for
read-only files, and that's only for the shell's own input, really.  The
code for that is in zsh's Src/main.c and it simply uses the
cygwin_internal() hook to set file descriptor behaviour.

In another email, I replied that I can't seem to repro Jan's symptoms.
There maybe something else going on here that's not obvious.

> - --
> Don't work too hard, make some time for fun as well!
>
> Eric Blake             ebb9@byu.net
> volunteer cygwin git maintainer
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-- 
Peter A. Castro <doctor@fruitbat.org> or <Peter.Castro@oracle.com>
 	"Cats are just autistic Dogs" -- Dr. Tony Attwood

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