Subject:
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Re: Ldlite for OpenGL and Linux (and uppercase filenames)
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Newsgroups:
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lugnet.cad.dev
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Date:
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Wed, 19 Jan 2000 16:51:09 GMT
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Viewed:
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760 times
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In lugnet.cad.dev, Jacob Sparre Andersen writes:
> Don Heyse:
>
> > In lugnet.cad.dev, Fredrik Glöckner writes:
> > > Rui Martins <Rui.Martins@link.pt> writes:
> > >
> > > > Are you sure that was the problem, because Ledit runs on DOS, which
> > > > doesn't care on filename case, it's case-insensitive, so it should always
> > > > work in DOS.
> > >
> > > This is a special LEdit feature, not related to DOS at all. If the
> > > STUD.DAT filename is uppercase, it is always displayed like a full
> > > stud in LEdit, even if the user chooses to have "line for stud" to
> > > save rendering time.
> > >
> > > Fredrik
>
> > Let me restate MY preference (and since I'm a newcomer here, feel free to
> > stomp all over me :^)
>
> My preference is all lower-case (mostly from an aesthetic
> point of view), which generally is more readable than upper-case.
If you go way back to the beginning of this thread you'll see that my
PERSONAL preference is also lower case, because it's easier to type, easier
to read, etc. But I seem to recall a debate a while ago about the rights
to distribute modified versions of the original parts archives. I was under
the impression that they must be distributed unaltered, which would leave the
PARTS and P dat files in uppercase. Whenever I port something, and I have
done this before, I try to make the ported program fit the original
environment as much as possible even when it disagrees with my personal
preferences.
>
> > 1. DAT files in the P and PARTS directories should be stored in uppercase
> > since they come out of the archives that way.
> >
> > 2. The P, PARTS, MODELS, BITMAPS, VEC directories should be uppercase since
> > they seem to come out of the archives that way as well.
>
> I don't think it would be difficult to switch this to
> lower-case (if I can convince you guys to agree with me on
> the benefits of lower-case).
Not difficult, agreed, but is it legal? Again my personal preference is
lowercase, but I'm not convinced I can distribute a modified version of
the parts archives which I believe are in uppercase. Has anyone unarjed
(or whatever program is used) the archives in LINUX to see if they actually
come out in uppercase?
> > 3. Other DAT files can be stored in whatever case you
> > like. For example: MyModel.dat, MYMODEL.DAT,
> > mymodel.dat. Just don't put it in the P or PARTS
> > directories in anything but UPPERCASE. And don't
> > expect to see it if you include it in MyScene.dat with
> > different capitalization.
>
> Bad idea.
>
> People working on case-insensitive file systems will happen
> to write the file name with one capitalisation, and store it
> on the file system with another one. It will work for them,
> but it will not work for people working on case-sensitive
> file systems.
>
> People working on case-sensitive file systems will happen to
> make two files with the same name, except for the
> capitalisation. It will work fine for them, but when the
> model is copied to a case-insensitive file system one of the
> two files will disappear.
>
> Both of these two problems can be avoided by sticking to
> either upper or lower case.
I don't see how you can FORCE people to use lower case. You can SUGGEST
it and point out the ramifications of using mixed case. You can even go so
far as to RECOMMEND it as a really good idea. But people working in case-
insensitive filesystems will always make mistakes. Your best bet is to
make a recommended standard for personal DAT files, put it in a FAQ, and
point it out in LUGNET when people are inconsistent.
>
> > 4. You can include bricks and primitives from the P and PARTS directories
> > in whatever case you like and they will be UPPERCASED by the programs
> > before opening the files. Any special behavior determined by the case
> > can be done before the filename is UPPERCASED. I'm not quite sure if
> > we have some more stringent standards for what goes on inside the bricks
> > and primitives files in the PARTS and P directories. It sounds like we
> > do based on the special LEDIT behavior mentioned above.
>
> Not exactly a bad idea. Here is my reformulation:
>
> No matter how file and directory names are written in
> LDraw files, they shall be converted to lower-case
> in comunication with the operating system and other
> programs.
Once again, I don't think you can force people to store their own personal
files in any particular way. You can only do that with standard files like
the ones in the P and PARTS directories. Otherwise we might as well force
people to use Windows to view their DAT files, and I can go back to playing
with the bricks instead of porting Ldlite. ;^)
> > 5. Automatic UPPERCASING inside the program will ONLY happen for DAT files
> > in the P and PARTS directories and their subdirectories.
>
> Disagree.
>
> > 6. I'm still not thrilled with this because it makes the DAT file caching
> > scheme in Ldlite trickier, but I can't think of a better solution...
>
> If all files are stored with lower-case names, the caching
> in LDLite doesn't have to be (much more) complicated.
>
> Play well,
>
> Jacob
>
> ------------------------------------------------------------
> -- E-mail: sparre@cats.nbi.dk --
> -- Web...: <URL: http://hugin.ldraw.org/LEGO/Tog/ > --
> ------------------------------------------------------------
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Message has 3 Replies:
 | | Re: Ldlite for OpenGL and Linux (and uppercase filenames)
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| Don Heyse: (...) Sorry, I had forgotten that. (...) I am sure we can get the Jessimans to accept a repackaging of that kind (if we agree on it). (...) A very sensible strategy. (...) We would have to have it approved by the Jessimans. (...) I can't (...) (25 years ago, 19-Jan-00, to lugnet.cad.dev)
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Message is in Reply To:
| | Re: Ldlite for OpenGL and Linux (and uppercase filenames)
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| Don Heyse: (...) My preference is all lower-case (mostly from an aesthetic point of view), which generally is more readable than upper-case. (...) I don't think it would be difficult to switch this to lower-case (if I can convince you guys to agree (...) (25 years ago, 19-Jan-00, to lugnet.cad.dev)
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