Re: [Boost-users] [filesystem] is path comparison case-insensitive on Windows?

Subject: Re: [Boost-users] [filesystem] is path comparison case-insensitive on Windows?
From: Will Mason (willchido_at_[hidden])
Date: 2012-06-15 16:48:16

Hello,

On Fri, Jun 15, 2012 at 3:41 PM, Nathan Ridge <zeratul976_at_[hidden]>wrote:

>
> > Isn't it what you
> > want?
> http://www.boost.org/libs/filesystem/v3/doc/reference.html#equivalent
>
>
> Not quite. Suppose I want to test whether a file has a "jpg" extension
> (case
> insensitive on Windows). I would like to be able to do:
>

That would be case insensitive on NTFS, not on all Windows file systems.

>
> path file = ...;
> path jpeg_ext = ".jpg";
> ...
> if (file.extension() == jpeg_ext)
>
> and have the comparison return true for "something.JPG" on Windows.
>
>
> I can't do
>
> if (file.extension().equivalent(jpeg_ext))
>
> because equivalent() requires that one of the paths exists().
>
>
> So what should I do instead?
>
> #if __WIN32__
>    if (iequals(file.extension().string(), jpeg_ext.string())
>

You can't check whether a file system is case sensitive at compile time.

Cheers,
Will

> #else
>    if (file.extension() == jpeg_ext)
> #endif
>
> seems like I'm doing the library's job here...
>
>
> Regards,
> Nate
>
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