Task

Verify that a file called     input.txt     and   a directory called     docs     exist.



This should be done twice:  

   once for the current working directory,   and
   once for a file and a directory in the filesystem root.


Optional criteria (May 2015):   verify it works with:

   zero-length files
   an unusual filename:     `Abdu'l-Bahá.txt  


OS.FileSys.access ("input.txt", []);
OS.FileSys.access ("docs", []);
OS.FileSys.access ("/input.txt", []);
OS.FileSys.access ("/docs", []);