Re: Deleting Option tickers from the data base

["DIMITRIS TSOKAKIS" <TSOKAKIS@xxxx>]

Dear Tomasz,
Great !!
Thank you very much !!
I have deleted A and half B and by the end of month I could finish 
this AMEX list.

Best Regards
Dimitris Tsokakis
--- In amibroker@xxxx, "Tomasz Janeczko" <amibroker@xxxx> wrote:
> Hello,
> 
> You can adopt the ASX script I just have sent.
> Go to the line number 43:
> if( oTicker.length > 3 )
> 
> and replace it by
> if( oStock.GroupID == 10 )
> 
> and that's it.
> 
> Best regards,
> Tomasz Janeczko
> amibroker.com
> 
> ----- Original Message -----
> From: "DIMITRIS TSOKAKIS" <TSOKAKIS@xxxx>
> To: <amibroker@xxxx>
> Sent: 25 July, 2001 11:47
> Subject: [amibroker] Re: Deleting Option tickers from the data base
> 
> 
> Dear Tomasz,
> Sorry, I misunderstood your "it scans the database" and thought it
> works in AA.
> So, I repeat my question:
> How can I delete all stocks from my Group 10 ?
> An undesirable mix of Athens SE and AMEX occurred in the same
> database and I want to get rid of AMEX, if it is possible.
> Best Regards
> Dimitris Tsokakis
> --- In amibroker@xxxx, "DIMITRIS TSOKAKIS" <TSOKAKIS@xxxx> wrote:
> > Dear Tomasz,
> > I downloaded the attachment.
> > Opening the file in AA, I read a single /
> > Opening the file itself, I have an error
> > Line 1
> > Character 2
> > Expected a ´/´
> > Code 800A03F4
> >
> > Am I missing something ?
> > I want to delete all stocks from group 10.
> >
> > Best regards
> > Dimitris Tsokakis
> > --- In amibroker@xxxx, "Tomasz Janeczko" <amibroker@xxxx> wrote:
> > > Hello Fred,
> > >
> > > I have prepared a special script for ASX that
> > > REMOVES all tickers that have the length > 3.
> > >
> > > By default it scans the database and finally gives
> > > you the number of such tickers and ask if you want to delete 
them
> > ALL or not.
> > >
> > > It can be modifed however to ask for EVERY SINGLE ticker
> > > - just change AskUser = false line to:
> > > AskUser = true;
> > >
> > > No need to work manually :-) Just run AmiBroekr and double click
> on
> > the script.
> > >
> > > Best regards,
> > > Tomasz Janeczko
> > > ===============
> > > AmiBroker - the comprehensive share manager.
> > > http://www.amibroker.com
> > >
> > >
> > >
> > > ----- Original Message -----
> > > From: "rbf" <rbf@xxxx>
> > > To: <amibroker@xxxx>
> > > Sent: Wednesday, July 25, 2001 3:35 AM
> > > Subject: [amibroker] Deleting Option tickers from the data base
> > >
> > >
> > > >
> > > >
> > > > > > Q2] My ascii files contain hundreds of six-letter tickers
> > denoting
> > > > > > stock options. How do I prevent them from entering the 
data
> > base at
> > > > > > all ?
> > > >
> > > > > Currently there is no easy way to prevent them from being
> > imported
> > > > > IF they are all in single ASCII file.
> > > > > You can create a scan like this:
> > > > > buy = name()==6;
> > > > > and move the results to a separate group so you can omit 
these
> > > > > tickers during back-testing.
> > > > >
> > > > > Best regards,
> > > > > Tomasz Janeczko
> > > >
> > > > Hello Tomasz
> > > >
> > > > I'll pre-process the daily data file to eliminate all tickers
> of
> > length > 3
> > > > (after renaming CMLC to CM2 and renaming CMLDA to CM1). That
> > will fix 'the
> > > > problem' for future data .
> > > > (we're talking about a thousand+ bits of rubbish (Options &
> > Warrants
> > > > tickers) whose numbers grow 'daily' unless I stop it from 
doing
> > so !)
> > > >
> > > > Using your scan idea (as corrected :-) ) how do you
> > > > Q1] MOVE the results from the scan list into a Group (say 
Group
> > 200, rather
> > > > than a Watch List) in 'one operation' ? and then
> > > > Q2] DELETE from the database all the stocks in that Group
> in 'one
> > operation'
> > > > ?
> > > > - given the disk space these unwanted files take up it is
> better
> > to delete
> > > > them rather than just omit them when back-testing.
> > > >
> > > > Best Regards
> > > >
> > > > Fred Browne
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > Your use of Yahoo! Groups is subject to
> > http://docs.yahoo.com/info/terms/
> > > >
> > > >
> > > >
> 
> 
> 
> 
> 
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