I keep ending up with somewhat awkward structures to close files I've 
opened.  Does the GC take care of any of this type of thing?

I.e., could the following:

let tput x =
     let r = Unix.open_process_in ("tput " ^ x)
     and buf = String.create 8 in
     let len = input r buf 0 8 in
     close_in r;
     String.sub buf 0 len
;;

be written like this:

let tput x =
     let buf = String.create 8 in
     String.sub buf 0 (input (Unix.open_process_in ("tput " ^ x)) buf 0 
8)
;;

safely?

-- 
Dustin Sallings

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