Hi, maybe try using fullRender with defaults (mode=PageMode, lineLength=100, ribbonsPerLine=1.5) and "a" instantiated to "IO()" so that TextDetails can be appended to a file (handle).
HTH Christian Johannes Waldmann wrote: > Dear all, > > I am writing a long string (several MByte) to a file, > with writeFile fname ( render d ) > where d :: Text.PrettyPrint.HughesPJ.Doc > > I wonder what happens internally > (when compiled with ghc -O, if that matters) > Will the string be in memory completely > before it is actually written? > > My d is in fact vcat xs, for a list xs > that is generated item by item. > > Is there a way to get more efficient behaviour > without too much rewriting the program? _______________________________________________ Haskell mailing list Haskell@haskell.org http://www.haskell.org/mailman/listinfo/haskell
