42 lines
1.0 KiB
Haskell
42 lines
1.0 KiB
Haskell
#!/usr/bin/runhaskell
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-- hledger - ledger-compatible money management utilities (& haskell workout)
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-- GPLv3, (c) Simon Michael & contributors,
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-- John Wiegley's ledger is at http://newartisans.com/ledger.html .
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import System (getArgs)
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import Data.List (isPrefixOf)
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import Options
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import Types
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import Parse
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import Tests
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main :: IO ()
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main = do
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(opts, args) <- (getArgs >>= getOptions)
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test
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if args == []
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then register []
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else
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let (command, args) = (head args, tail args) in
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if "reg" `isPrefixOf` command then register args
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else if "bal" `isPrefixOf` command then balance args
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else error "could not recognise your command"
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-- commands
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register :: [String] -> IO ()
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register args = do
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p <- parseLedgerFile ledgerFilePath
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case p of
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Left e -> do putStr "ledger parse error at "; print e
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Right l -> printRegister l
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balance :: [String] -> IO ()
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balance args = do
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p <- parseLedgerFile ledgerFilePath
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case p of
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Left e -> do putStr "ledger parse error at "; print e
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Right l -> printRegister l
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