std.path.getName(): Screwy by design?

[Lars T. Kyllingstad]

On Tue, 01 Mar 2011 11:49:31 +0100, Daniel Gibson wrote:

> Am 01.03.2011 09:58, schrieb Nick Sabalausky:
>> According to the docs, std.path.getName() "Returns the extensionless
>> version of a filename or path."
>>
>> But the doc also says that if the filename doesn't have a dot, then it
>> returns null (and I've verified that on DMD 2.050). Isn't that a bit
>> ridiculous? Shouldn't it still return the extensionless version even if
>> it doesn't have an extension? Ie, return the original string.
>>
>> I would expect all of the following to pass, but currently (by design)
>> only the first two pass:
>>
>> assert(getName(r"file.ext") == r"file");
>> assert(getName(r"/path/file.ext") == r"/path/file");
>>
>> assert(getName(r"file") == r"file");
>> assert(getName(r"/path/file") == r"/path/file");
>>
>> The current behavior seems useless.
>>
>> Additionally, this also seems screwy:
>>
>> // Currently passes:
>> assert(getName(r"/pa.th/file") == r"/pa");
>>
>> WTF? The docs seem to suggest that's by design, but I can't imagine
>> why. Even on Windows it's not as if filenames can contain forward
>> slashes (and except for the command-line, accessing paths with
>> forward-slash separators works fine on Windows).
>>
>> Fortunately, the docs do seem to be wrong about this:
>>
>> version(Windows)
>>       getName(r"d:\path.two\bar") =>  null
>>
>> That currently returns r"d:\path.two\bar" as I would expect.
>>
>> If those in charge agree with me on all of the this, I'd be glad to go
>> through std.path, fix all of that, check for any other issues and
>> submit a modified std.path with updated examples and unittests for
>> approval.
>>
>>
> And what about "foo.tar.gz"? Does it return "foo" or "foo.tar"? And what
> should be returned?

That's a good question.  And what about "foo-1.0.4.tar.gz"?  I say only 
the last extension should be returned.  foo.tar.gz is a gzip file, not a 
tar file.  The fact that you can pass one directly to tar is simply a 
convenience.

-Lars