Re: Which of cygwin32's design goals does ascii file conversion fulfil?

[Earnie Boyd <earnie_boyd at yahoo dot com>]

---David Fox <dsfox@cogsci.ucsd.edu> wrote:
>
> As I have noted before, there are two types of cygwin32 users, those
> who are trying to make their Windows box feel more Unixy, and those
> who are porting Unix code to Windows.  It seems to me that neither of
> these groups has any need for DOS ``text mode'' conversion (where
> lines are terminated by CR-LF.)  Why not make binary mode the one and
> only default once and for all?
> 
> There's probably a good reason that I'm not aware of...

The reason is that Win32 filesystem default is to have \r\n or text
mode files.  The idea for having text mode as the default is that it
is the default for the native platform.  You could set everything to
binary but you would still have to _PORT_ the program to handle the \r
when it reads it and not choke on it.

Setting the default processing mode to binary only creates a different
set of problems.  There seem to more problems related to having binary
mode set than not having binary mode set.  By having text mode mounts
I never have to worry about a \r getting in the way.  My shell scripts
work all of the time.  I don't have to worry whether my program source
files contain \r\n.  I don't have to worry about MS's programs (like
notepad) not being able to properly display the file.

If I were to change this to binary mode, I'd have a lot to worry about
now wouldn't I.  Let me state this again:

For portability: files that are known to carry binary data specify
that it is binary data and files that are supposed to be read as ascii
text files _specify_ that it is _text_ data.  DO NOT _ASSUME_ THAT THE
DEFAULTS FOR ANY OPTION OR PARAMETER FOR ANY FUNCTION ARE GOING TO
REMAIN CONSTANT.

If programs are _properly_ported_ then the user/administrator doesn't
need to be concerned with the data that is read by a program.  This
will keep them happy and make you more productive with problems of
real concern.  When I'm taking care of users needs I don't want to be
bothered with things like a \r in a file causing a program to abort
and other administrators and maintainers of systems don't want to be
bothered with it either.

So to conclude, the best advice I can give on this matter is to
PROPERLY PORT the programs so that a \r doesn't cause _you_ or
_anyone_else_ to have to stop being productive to wait on a filter to
remove \r's from the files.  If you don't do this then you will have
the same problem over and over again.  Want proof, read the archives
of this list.

==
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