On Thu, Sep 18, 2008 at 05:38:51PM +0200, Henning Thielemann wrote: > On Wed, 17 Sep 2008, Mitchell, Neil wrote: >> I tend to use openFile, hGetContents, hClose - your initial readFile >> like call should be openFile/hGetContents, which gives you a lazy >> stream, and on a parse error call hClose. > > Yes, this seems to be the right way. This weakness should be mentioned in > the docs of readFile. In production code, you cannot rely on a garbage > collector to close the file, because you might want to open a file for > writing after you have processed it with readFile, and there is warranty > that the file is already closed then.
Ah, so you must be concerned about windows systems? Yes, on windows systems it's definitely best to never to lazy IO. On non-windows file systems, unless you're planning on opening thousands of files, relying on the garbage collector is fine. David _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
