hledger/Commands/Print.hs
ob 8937ed457d GHC 6.12.1 has UTF8 support on board. Using System.IO.UTF8 can cause problems.
Therefore use System.IO.UTF8 only on previous versions.
Testet with GHC 6.10.4 and 6.12.1
2010-02-13 20:00:34 +00:00

30 lines
745 B
Haskell

{-# LANGUAGE CPP #-}
{-|
A ledger-compatible @print@ command.
-}
module Commands.Print
where
import Ledger
import Options
#if __GLASGOW_HASKELL__ <= 610
import Prelude hiding ( putStr )
import System.IO.UTF8
#endif
-- | Print ledger transactions in standard format.
print' :: [Opt] -> [String] -> Ledger -> IO ()
print' opts args l = do
t <- getCurrentLocalTime
putStr $ showTransactions (optsToFilterSpec opts args t) l
showTransactions :: FilterSpec -> Ledger -> String
showTransactions filterspec l =
concatMap (showTransactionForPrint effective) $ sortBy (comparing tdate) txns
where
effective = EffectiveDate == whichdate filterspec
txns = jtxns $ filterJournalTransactions filterspec $ journal l