-- | Like 'lookupValue' but returns the empty string if the key is not found.
lookupValueOrEmpty :: FilePath -> String -> Action String
lookupValueOrEmpty file key = fromMaybe "" <$> lookupValue file key
lookupValueOrEmpty :: FilePath -> String -> Action String
lookupValueOrEmpty file key = fromMaybe "" <$> lookupValue file key
lookupValueOrEmpty file key = fromMaybe "" <$> lookupValue file key