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A couple of friends and I are thinking about starting a web site. I was
fiddling around and came up with this.
Post a reply to this message
Attachments:
Download 'coolmojo.png' (116 KB)
Preview of image 'coolmojo.png'
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Mack Tuesday <web.4346ab76e6623c90526d08610@news.povray.org> Friday 07 of
October 2005 19:09
> coolmojo.PNG
please name files like: coolmojo.png
advanced operating systems, like linux, recognize upper/lower case, and
there is no program that opens .PNG (there are programs for .png .jpg and
so on, though)
--
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Raf256 wrote:
> Mack Tuesday <web.4346ab76e6623c90526d08610@news.povray.org> Friday
> 07 of October 2005 19:09
>
>> coolmojo.PNG
>
> please name files like: coolmojo.png
>
> advanced operating systems, like linux, recognize upper/lower case,
> and there is no program that opens .PNG (there are programs for .png
> .jpg and so on, though)
So there really exists groups of file extensions with identical letters but
different case, which are associated with completely different file types?
If not, isn't the failure to open a file if the extension is not lowercase
just a stupid limitation of the file system or program rather than an
"advanced feature"?
It's not that I don't recognize the usefulness of having a case-sensitive
file system in general, but I can't understand why extensions aren't
recognized regardless of case despite the case-sensitivity.
For the record, I've *never* heard before that file extensions should be
lower case. It also doesn't seem to be mentioned at all at
http://en.wikipedia.org/wiki/File_extension
Followup-to povray.off-topic
Rune
--
3D images and anims, include files, tutorials and more:
rune|vision: http://runevision.com
POV-Ray Ring: http://webring.povray.co.uk
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I'm liking that shade of green...
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Raf256 wrote:
> Mack Tuesday <web.4346ab76e6623c90526d08610@news.povray.org> Friday 07 of
> October 2005 19:09
>
>
>>coolmojo.PNG
>
>
> please name files like: coolmojo.png
>
> advanced operating systems, like linux, recognize upper/lower case, and
> there is no program that opens .PNG (there are programs for .png .jpg and
> so on, though)
>
That's odd. I'm in linux and saw it fine. What newsreader are
you running?
--
to all the companies who wait until a large user base becomes
dependant on their freeware, then shafting said happy campers with
mandatory payment for continued usage. I spit on your grave.
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Raf256 wrote:
> Mack Tuesday <web.4346ab76e6623c90526d08610@news.povray.org> Friday 07 of
> October 2005 19:09
>
>
>>coolmojo.PNG
>
>
> please name files like: coolmojo.png
>
> advanced operating systems, like linux, recognize upper/lower case, and
> there is no program that opens .PNG (there are programs for .png .jpg and
> so on, though)
>
Actuslly, Unlike Windows, Unix/Linux does NOT use the file "extension"
to determine its type. With these OSs it's merely a _human_
convenience/convention.
I was able to display this image (as .PNG) with several different
graphics programs, including the Gimp. Even Nautilus (the file browser)
reports its type as a PNG image. I even deleted the extension and also
renamed the extension to .jpg and still had no problems either way. And
Nautilus still said it was a PNG image. Of course, it was also
displayed correctly in Thunderbird when reading the origninal post.
OTOH, of course you're right that case is significant in Linux filenames
so coolmojo.PNG would be a different file from CoolMojo.PNG for example.
But there would still be no problem about their file types.
Now, I also think the "extension" *looks* nicer in lowercase -- but
that's just personal opinion. ;-)
-=- Larry -=-
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Worked fine here as-is. Looks like you need a new graphics viewer, or
perhaps a better understanding of the OS/utilities you're using.
Viewed in pan, gqview, and gimp here, all on Linux.
Jim
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Raf256 <spa### [at] raf256 cominvalid> wrote:
> Mack Tuesday <web.4346ab76e6623c90526d08610@news.povray.org> Friday 07 of
> October 2005 19:09
>
> > coolmojo.PNG
>
> please name files like: coolmojo.png
>
> advanced operating systems, like linux, recognize upper/lower case, and
> there is no program that opens .PNG (there are programs for .png .jpg and
> so on, though)
>
> --
So where did the upper case extension come from, anyway? This is how my
post looks in the browser I'm using:
===
A couple of friends and I are thinking about starting a web site. I was
fiddling around and came up with this.
Post a reply to this message
Attachments:
Download 'coolmojo.png' (116 KB)
Preview of image 'coolmojo.png'
<image>
===
When I download the image, it comes in with a lower case extension. This is
what I would expect because I never touched the filename between its
creation and its uploading.
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> So where did the upper case extension come from, anyway?
It comes from the message itself (part of the MIME protocol):
--------boundary00xxzz99pov77ccvv44
Content-Type: image/x-png; name="coolmojo.PNG"
Content-Transfer-Encoding: base64
Content-Disposition: inline; filename="coolmojo.PNG"
Guess we are deep into off-topic waters right now, follow up to
off-topic set.
Florian
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