https://issues.dlang.org/show_bug.cgi?id=23512

          Issue ID: 23512
           Summary: Change Posix dirEntries implementation to use 'ftw'
                    (or 'nftw')
           Product: D
           Version: D2
          Hardware: x86_64
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P1
         Component: phobos
          Assignee: nobody@puremagic.com
          Reporter: acehreli@yahoo.com

We've discovered that 'ftw' can be much faster than the existing implementation of dirEntries.

Here are some experiments:

  https://forum.dlang.org/post/tkjqgf$2v24$1@digitalmars.com

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