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Diffstat (limited to 'users/wpcarro/scratch/groceries/export.hs')
-rw-r--r-- | users/wpcarro/scratch/groceries/export.hs | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/users/wpcarro/scratch/groceries/export.hs b/users/wpcarro/scratch/groceries/export.hs new file mode 100644 index 000000000000..ed43c9a3e887 --- /dev/null +++ b/users/wpcarro/scratch/groceries/export.hs @@ -0,0 +1,22 @@ +module Main where + +import qualified Data.List as L + +(|>) :: a -> (a -> b) -> b +x |> f = f x + +-- | Ignore items with zero quantity (i.e. "0x") and comments (i.e. "#") +isUndesirableOutput :: String -> Bool +isUndesirableOutput x = + (L.isPrefixOf "- 0x" x) || (L.isPrefixOf "#" x) + +-- | Run this to export the grocery list. +main :: IO () +main = do + content <- readFile "./list.org" + content + |> lines + |> filter (not . isUndesirableOutput) + |> unlines + |> putStrLn + pure () |