2006/6/7, Alexandre Leclerc <[EMAIL PROTECTED]>:
2006/6/7, Michael Van Canneyt <[EMAIL PROTECTED]>:
>
>
> On Wed, 7 Jun 2006, Alexandre Leclerc wrote:
>
> > 2006/6/7, Michael Van Canneyt <[EMAIL PROTECTED]>:
> >> > So readln / writeln is not possible with streams. This is a problem.
> >> > I'm actually loading a file, but I wanted to use streams internally to
> >> > increase flexibility; I might exchange data with memory streams on the
> >> > long run.
> >>
> >> You can use the file-to-stream bridge. Unit streamio:
> >>
> >> Procedure AssignStream(var F: Textfile; Stream: TStream);
> >> Function GetStream(var F: TTextRec) : TStream;
> >>
> >> usage:
> >>
> >> Var
> >> M : TStream;
> >> F : Text;
> >> l : String;
> >>
> >> begin
> >> M:=TMyStream.Create;
> >> Try
> >> AssignStream(F,M);
> >> Reset(F);
> >> // Read your stuff here
> >> ReadLn(L,F);
> >> Close(F);
> >> Finally
> >> FreeAndNil(M);
> >> end;
> >> end;
> >>
> >> This will always work.
> >
> > It took me couple minutes to understand. This is very interesting. It
> > still double the data in memory, like a TStringList;
>
> No. There is just a simple 256 byte buffer, that's it.
>
> > but I'm glad to
> > see that. I see that low memory usage equals direct text access with
> > readln/writeln. But I've no time to mess arround with that now.
> >
> > It is in an include file (.inc). how can I use such a file without {$i
> > } ? Like in a use clause?
>
> it's not an include file. streamio.pp is in fcl/inc
> and is compiled and installed by default.
Are there any special directory/settings to change because the
compiler canT' find the unit (nor Lazarus editor)... fcl looks to be
'disconnected' from the paths.
-Fu in project's compiler options.
--
Alexandre Leclerc
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