Re: [sc-users] FileReader - go to line?

[nescivi <nescivi@xxxxxxxxx>]

On Tuesday 16 June 2009 20:21:56 nescivi wrote:
> On Tuesday 16 June 2009 20:06:02 Dan Stowell wrote:
> > FileReader:read has a "startRow" argument.
>
> Yeah, but read reads all the data at once, which I want to avoid. Files
> could be quite big.
>
> > If treating a FileReader as
> > a Stream you can use things like .nextN to jump over a load of
> > lines...
>
> nextN seems to jump over a lot of characters. not really lines as such, it
> seems.

My bad, it does read the next N lines.
Still that can be quite a bit to remember... maybe have a skipNextN method 
could be useful.

sincerely,
Marije

>
> Hmm... FileReader.new creates a var stream, which is a file.
> The method next there gets the next line of data, so I guess I could use
> that to skip forward some lines, by just reading it and not doing anything
> with the data...
> I could then keep a track of which line was at what file position, so I can
> more easily change the position in the file afterwards.
>
> I think I could make it :)
>
> I just wondered if someone else already did to save me some work :)
>
> sincerely,
> Marije
>
> > Dan
> >
> > 2009/6/17 nescivi <nescivi@xxxxxxxxx>:
> > > Hiho,
> > >
> > > has anyone done things with FileReaders, like skipping to certain lines
> > > in the file?
> > >
> > > This could be quite useful for controlling file playblack...
> > >
> > > sincerely,
> > > Marije


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