newsham: > >I'm starting to wonder if this isn't an issue with > >Data.ByteString.Lazy.Char8.{read,write}File. > > This simple test case fails: > > module Main where > import qualified Data.ByteString.Lazy.Char8 as B > main = do > print =<< B.readFile "xxx" > B.writeFile "xxx" =<< B.readFile "test.hs" > > If you replace B.readFile with readFile and B.writeFile with writeFile > it works properly. ByteString bug?
Ah, that would be a bug in older ByteString implementations, that were a bit incautious about closing handles. This example works for me with bytestring-0.9.1.0 You're looking for a post-Dec 19, 2007 release, after the patch, Wed Dec 19 22:06:13 PST 2007 Don Stewart * For lazy IO operations, be sure to hClose the resource on EOF -- Don _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe