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[amibroker] Programmatically exporting intraday data



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Hello:
 
Suppose you have access to intraday 1minute data and are interested in daily opening Jump > 300 points where Jump is defined below as:   
 
todayOpen = TimeFrameGetPrice("O",inDaily);
yesterdayClose = TimeFrameGetPrice("C",inDaily,-1);
Jump = Abs(todayOpen - yesterdayClose);
 
You therefore wish to export all the intraday bars of those particular days where Jump > 300, and thinking about creating below loop to do this:
 
fh = fopen(...);
 
if (fh) {
   for (i = 0; i < BarCount; i++) {   // loop intraday 1minute bars
      if ( Condtion ? ) {    // should check whether this day's Jump is > 300
          fputs(...);  // puts the O[i],H[i],L[i],C[i] to file 
      }
  }
}
fclose(fh);
 
The question is: Any AFL function that can be used in order to write the condition checking part as in the above loop?
 
I have tried to look at the reference but still/unable to find a solution. Any idea will be appreciated.  
 
 



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