You might find many of these on hackage in various forms already.. it might be easier to just depend on some of those libraries.
On Sat, Jan 21, 2012 at 04:20:25PM -0400, Joey Hess wrote: > > Some quite generic monadic control functions, few of them truely unique: > > whenM :: Monad m => m Bool -> m () -> m () -- also >>? > unlessM :: Monad m => m Bool -> m () -> m () -- also >>! > firstM :: Monad m => (a -> m Bool) -> [a] -> m (Maybe a) IfElse (http://hackage.haskell.org/packages/archive/IfElse/0.85/doc/html/Control-Monad-IfElse.html) has a few of these. > Various path manipulation functions such as: > absPath :: FilePath -> IO FilePath Is this different from canonicalizePath in directory? > Other stuff: > > separate :: (a -> Bool) -> [a] -> ([a], [a]) Is this partition from Data.List? > format :: Format -> Variables -> String This looks like it might be similar to HStringTemplate > withTempFile :: Template -> (FilePath -> Handle -> IO a) -> IO a temporary (http://hackage.haskell.org/packages/archive/temporary/1.1.2.3/doc/html/System-IO-Temp.html) has a few variants of this one
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