On Wed, 14 Mar 2012 14:51:59 +0100 Volker Wysk <p...@volker-wysk.de> wrote:
> Hi! > > The following program demonstrates a (another) GHC bug. The command line > isn't > properly decoded to Unicode. > > arg.hs------------------------------ > > import System > main = do > [a] <- getArgs > putStrLn (show a) > > -------------------------------------- > > When called like this: > > ./arg รค > > The program will output this: > > "\195\164" First, no need for 'show'. It will try to serialize value in a portable way. 'putStrLn a' should do the right thing (but see below). Second, it was fixed in ghc-7.2+. System.Environment now returns properly encoded Strings instead of byte-encoded oddity it returned before. So you can use 'putStrLn a' there. Previous version would require you to recode the result to proper String -- Sergei
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