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Oops, I forgot the big question: Is there a way to read one file and load the contents of the file into the array for each ticker in the file?
Bill
--- In amibroker@xxxxxxxxxxxxxxx, "longt3rm" <longt3rm@xxx> wrote:
>
> Hello,
>
> I'm slowly grasping AFL; really slowly. ;-)
>
> The code below looks for a text file for the date of the current bar, if it finds the ticker, it goes long.
>
> Would anyone have comments / suggestions on improvements? Specifically, I am wondering if traversing the bars is necessary or if there is a way to skip the "for" loop.
>
> Thank you!!
>
> Bill
>
> ----------------------------------------------------
> /*
> This is NOT a strategy but rather a learning exercise.
> The purpose is to study / learn how to open an external file to test whether a ticker is contained in that file; next I will add the number of shares and price to use.
> */
>
> function DateCheck(myTicker,filename){
> //See if the filename contains myTicker
> DateCheckReturn = False;
> fh = fopen(filename ,"r");
>
> if(fh)
> {
> while(! feof(fh) AND ! DateCheckReturn) //Have we reached end of file OR found our ticker?
> {
> Line = fgets(fh);
> DateCheckReturn = IIf(StrFind(Line,myTicker), True, False);
> if (DateCheckReturn)
> {
> // display information in DebugView when we find a match
> _TRACE("filename=" + filename);
> _TRACE("myTicker=" + myTicker+ " / DateCheckReturn=" + DateCheckReturn);
> }
> }
> fclose(fh);
> }
> return DateCheckReturn;
> }
>
> MaxPositions = 20;
> SetOption("InitialEquity",50000);
> SetOption("MaxOpenPositions", MaxPositions );
>
> SetPositionSize(GetOption("InitialEquity")/GetOption("MaxOpenPositions"),spsValue);
>
> aDay = Day();
> aMonth = Month();
> aYear = Year();
> for(i=0; i<BarCount; i++)
> {
> //Set the base for the file name
> filename = "C:\\data\\signal_";
> //Set the extension for the file
> fileext = ".txt";
>
> strDate="";
> strDate = StrFormat( "%4.f%02.f%02.f", aYear[i],aMonth[i],aDay[i]); //get the date of the current bar in yyyymmdd format.
> filename = filename + strDate + fileext; //Will be something like c:\data\signal_20100311.txt
> Buy[i] = 1 AND DateCheck(Name(),filename);
>
> Sell[i] = 0;
> }
>
------------------------------------
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