Hello,
I'm writing a function to find out if a given directory is empty.  I came up with the obvious:

do{
 contents <-  getDirectoryContents "/home/timothy/works/current/anonGraph/empty/" ;
 let
  realContents
    =
  filter
   (\file ->
     case file of
       "." -> False ;
       ".." -> False ;
       _ -> True)
   contents
 in
 return $
  case realContents of
   [] -> True ;
   _ -> False}

And this works fine on linux, but I wonder.  On other systems, is "." and ".." allowed as file names?  Couldn't a windows user actually end up with a file name named "." and this method would fail?

Thank you
Timothy

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