Quoth Antoine Latter <aslat...@gmail.com>,
...
> Would this program then loop:
>
> append fromFilePath toFilePath = do
> str <- readFile fromFile
> writeFile toFile str
>
> if 'from' and 'to' where the same file?
>
> Currently the locking prevents this.
Do you mean, locking makes that work, or just makes it fail in a
different way? Anyway, I think that's an example that would have
the same issues without hGetContents - that is, any way you set
out to overwrite a file by modifying its contents, you have the
same problem.
Donn
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