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import System.IO
import System.FilePath
import Text.Printf
import System.Directory
import Control.Monad
testdir = "openFile008_testdir"
-- Test repeated opening/closing of 1000 files. This is useful for guaging
-- the performance of open/close and file locking.
main = do
removePathForcibly testdir
createDirectory testdir
let filenames = [testdir </> printf "file%03d" (n::Int) | n <- [1..1000]]
forM_ [1..50] $ \_ -> do
hs <- mapM (\f -> openFile f WriteMode) filenames
mapM_ hClose hs
mapM_ removeFile filenames
removeDirectory testdir
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