I would support adding this function under the name `withFile`, in a new module exported by the deepseq package, as Henning seems to be suggesting.  I don't think it's particularly important, but this pattern arises often enough that I think it's worthwhile.

John L.

On Mon, Oct 13, 2014 at 12:14 AM, Henning Thielemann <lemming@henning-thielemann.de> wrote:

On Sun, 12 Oct 2014, Oliver Charles wrote:

Where are you suggesting this library goes? Your `safeWithFile` needs `NFData`, but that's in `deepseq` which
isn't a dependency of `base`.

 It would certainly be located in 'deepseq' or a dependent library. Maybe Control.DeepSeq.IO.withFile would be good. Then it would be clear, that it is just a deepseq variant of withFile.

I would not like the name safeWithFile, because withFile is already safe. It's hGetContents that is unsafe.

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