019f8fd211
git-subtree-dir: users/wpcarro git-subtree-mainline:464bbcb15cgit-subtree-split:24f5a642afChange-Id: I6105b3762b79126b3488359c95978cadb3efa789
22 lines
486 B
Haskell
22 lines
486 B
Haskell
module Main where
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import qualified Data.List as L
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(|>) :: a -> (a -> b) -> b
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x |> f = f x
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-- | Ignore items with zero quantity (i.e. "0x") and comments (i.e. "#")
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isUndesirableOutput :: String -> Bool
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isUndesirableOutput x =
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(L.isPrefixOf "- 0x" x) || (L.isPrefixOf "#" x)
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-- | Run this to export the grocery list.
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main :: IO ()
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main = do
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content <- readFile "./list.org"
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content
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|> lines
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|> filter (not . isUndesirableOutput)
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|> unlines
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|> putStrLn
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pure ()
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