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Dingo, Padhu, PS, and Joe,
Thanks for your input. I haven't had time to digest it all, but I
hope to get enough time this weekend to attack and conquer this
subject. I will report back with what works best for me.
Ron
--- In amibroker@xxxxxxxxxxxxxxx, "Joe Landry" <jelandry@xxx> wrote:
>
> Ron...From a first glance it looks to me like you need to drive
your AFL scripts externally with Batman or a multistep j - script.
With this approach you can specify the watchlist, filter databases
and AFL externally before you drive AB and run the AFL on an
exploration. I have a nightly run where I do this so it sounded to
me like this is a similar requirement. The script below generates
some ATCs for the "Mango Kayak" style charts.
>
> HTH
> Joe
>
> //
> // RUN AS AN SCAN
> // USE R2000 components in Watchlist 35
> //
> //
> // WILL PRESENT 3 MESSAGES 1) Amibroker found running, 2) AFL
loaded successfully,3) Composites completed
>
>
> // Test to see if Amibroker is Open
> // If so, do nothing , If not, start Amibroker
> // Create a Shell Object
> var oWinMgM = GetObject("WinMgmts://localhost")
> var oWSH = WScript.CreateObject("WScript.Shell")
> // We have not looked for or found Amibroker yet, record this below
> ABFound = false
> // Get a list of Amibroker instances currently running (which maybe
none)
> var ABList = oWinMgM.ExecQuery ("select * from Win32_Process where
name='Broker.exe'")
> // go through the list
> var e = new Enumerator(ABList);
> for (;!e.atEnd();e.moveNext())
> {
> // if one exists, note that
> ABFound = true;
> }
> if (ABFound == true) //then we must have found Amibroker running
> {
> Result = oWSH.popup("Amibroker Found...", 1,"Job Status", 64)
> }
> else //otherwise let's start it
> {
>
> Result = oWSH.popup("Amibroker NOT Found...", 1,"Job Status", 64);
> oWSH.CurrentDirectory = "C:\\Program
Files\\AmiBroker2nd\\Amibroker"
> Result = oWSH.Run ("Broker.exe", 5, false) //Start it, regular
window, don't wait
> }
> WScript.Sleep(3000) //Wait 3 seconds for it to start
>
> // Define AB
> AB = new ActiveXObject("Broker.Application");
>
> /* retrieve automatic analysis object */
> AA = AB.Analysis;
>
> //
> // ======================== Cut and Paste from here for additional
job steps ======
> // Load 1st Formula in job step
> if(AA.LoadFormula("C:\\program
files\\amibroker\\afl\\Composites\\KAYAK_ATC.afl"))
>
> {
> oWSH.popup("Russell 2000 ATC Loaded Successfully",1,"Status",64);
> }
>
> /* setup filters */
> /* SCAN over symbols in the watchlist
> AA.ClearFilters();
> // load a ticker with a long history
> var ABD = AB.Documents;
> var ticker = "!RUT";
> ABD.Open(ticker); // Point to !RUT - QP3 ticker name
> Open_Ticker = AB.ActiveDocument.Name;
> // WScript.Echo ("Current Stock = " + Open_Ticker );
>
> /* set apply to and range */
> AA.ApplyTo = 2; // use filters 0 all symbols, 1 current symbol,
2 use filter
> AA.Filter(0,"watchlist")= 35;
> AA.RangeMode = 1; // use number of quotations below
> AA.RangeN = 1008; // for four years
> /* run SCAN */
> AA.scan();
>
> WScript.Echo("R 2000 ATC Composites stored in Group 253");
>
> // ========================== Rank for top ten stocks in each
subsector ================//
> //
>
>
> AB.refreshall();
>
>
>
>
>
>
>
> ----- Original Message -----
> From: Ron Rowland
> To: amibroker@xxxxxxxxxxxxxxx
> Sent: Tuesday, October 09, 2007 4:25 PM
> Subject: [amibroker] Specifying Watchlist from AFL
>
>
> I was hoping to find a way to easily set/specify the Watchlist to
be
> used by a given AFL. My preferred approach is "A" blow, but it
does
> not appear to a valid/supported one.
>
> A) The SetOption command allows me to override/set about 26
> parameters used/required by the AA window. However, the
> documentation does not show a way to specify which
Watchlist/Filters
> to use. I would like to be able to simply say SetOption
> (WatchlistName, "MyWatchList");
>
> B) I have searched this group and it appears that this task can
be
> accomplished using the "Automate a Backtest and Export the
Tradelist"
> script that Dingo wrote back in April 2004.
>
> C) I also assume that it can be accomplished in the CBT by
enabling
> the Analysis Object and using the Filter Property.
>
> D) I think it might also be possible using a brute-force approach
by
> running all of my AFLs from a Watchlist named "UseThisOne" and
then
> each AFL would use CategoryRemoveSymbol to clear out "UseThisOne"
and
> then rebuild it by using CategoryGetSymbol from
> Watchlist "TheOneIReallyWant" and then have CategoryPutSymbol
each
> symbol into "UseThisOne". (Brute force and very ugly approach).
>
> Since my preferred approach "A" is not a valid one, does anyone
have
> an opinion on which approach is preferred? Any other way of
> accomplishing this task?
>
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