[Haskell-beginners] </>? Was: doesFileExist cannot get ~/blah_blah right

[David McBride]

I didn't even know the standard library had a </> operator.  Here's to
learning new things.


On Tue, Apr 9, 2013 at 8:06 PM, Brent Yorgey <byorgey at seas.upenn.edu> wrote:

> On Tue, Apr 09, 2013 at 12:25:10PM -0400, David McBride wrote:
> > There is a package system-filepath
> > http://hackage.haskell.org/package/system-filepath which fixes a lot of
> > quibbles people have with the way filepaths are implemented in haskell.
> > There are apparently a lot of problems with using strings as filepaths,
> > like the fact that they are slow, that they have encoding issues, and
> that
> > people cannot make a path that is system agnostic.
> >
> > So the </> operator in that library just joins two filepaths together
> with
> > the correct slash.
>
> This is all true, though using system-filepath is still annoying to
> use because it doesn't play well with everything else in the Haskell
> ecosystem.  However, I was not referring to the (</>) in
> system-filepath but rather the one in the standard 'filepath' package.
>
> -Brent
>
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