30 lines
832 B
Haskell
30 lines
832 B
Haskell
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module Utils
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where
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import Data.List
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import System.Directory
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rhead = head . reverse
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rtail = reverse . tail . reverse
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splitAtElement :: Eq a => a -> [a] -> [[a]]
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splitAtElement e l =
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case dropWhile (e==) l of
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[] -> []
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l' -> first : splitAtElement e rest
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where
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(first,rest) = break (e==) l'
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-- courtesy of allberry_b
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tildeExpand :: FilePath -> IO FilePath
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tildeExpand ('~':[]) = getHomeDirectory
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tildeExpand ('~':'/':xs) = getHomeDirectory >>= return . (++ ('/':xs))
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-- ~name, requires -fvia-C or ghc 6.8
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--import System.Posix.User
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-- tildeExpand ('~':xs) = do let (user, path) = span (/= '/') xs
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-- pw <- getUserEntryForName user
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-- return (homeDirectory pw ++ path)
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tildeExpand xs = return xs
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