[Haskell-cafe] trying to use unix's openFD ..
Brandon S. Allbery KF8NH
allbery at ece.cmu.edu
Wed Jan 30 23:25:48 EST 2008
On Jan 30, 2008, at 23:23 , Galchin Vasili wrote:
> I am trying to do the following on RedHat RHEL 5.0:
> main = do
> fs <- openFd "/dev/cdrom" ReadOnly (Just ???) defaultFileFlags
> putStrLn (show fd)
> what should (Just ???) be ???
I think you can pass Nothing instead of a Just, since that argument
is ignored when opening read only. If you feel you need to pass
something, use nullFileMode.
brandon s. allbery [solaris,freebsd,perl,pugs,haskell] allbery at kf8nh.com
system administrator [openafs,heimdal,too many hats] allbery at ece.cmu.edu
electrical and computer engineering, carnegie mellon university KF8NH
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