Re: [Haskell-cafe] ANN: cautious-file 0.1.1: Ways to write a file cautiously, to avoid data loss

Nice library! On Sun, Jul 19, 2009 at 11:35:34PM +0100, Robin Green wrote:

A variant, writeFileWithBackup, also allows you to supply a custom backup computation to backup old copy(ies) of the destination file

It would be nice to have the backup action receive the file name as a parameter, so it would be possible to have a library of possible backup strategies. :) -- Felipe.