[Caml-list] Unix file permissions bug?

[Matt Gushee <mgushee@havenrock.com>]

Hello, everyone--

I am trying to work with some functions in the Unix module that involve
file permissions, and getting some very surprising results:

  bash-2.05a$ cd /var/tmp
  bash-2.05a$ touch test1 test2 test3
  bash-2.05a$ ocaml unix.cma
          Objective Caml version 3.06
  
  # Unix.chmod "test1" 755;;
  - : unit = ()
  # Unix.chmod "test2" 644;;
  - : unit = ()
  # Unix.chmod "test3" 400;;
  - : unit = ()
  # 
  bash-2.05a$ ls -l test?
  --wxrw--wt    1 matt     users           0 Jun  8 14:52 test1
  --w----r-T    1 matt     users           0 Jun  8 14:52 test2
  -rw--w----    1 matt     users           0 Jun  8 14:52 test3

I am running OCaml 3.06 on Debian GNU/Linux 3.0 (glibc 2.2.5). I built
OCaml from source, but I get the same results on two machines with
similar but not identical systems. Does anyone know why this is
happening?

-- 
Matt Gushee                 When a nation follows the Way,
Englewood, Colorado, USA    Horses bear manure through
mgushee@havenrock.com           its fields;
http://www.havenrock.com/   When a nation ignores the Way,
                            Horses bear soldiers through
                                its streets.
                                
                            --Lao Tzu (Peter Merel, trans.)

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