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2013.04.09 13:14
2016.11.22 07:32

The script performs reading data of Bid and Ask prices from the file which was obtained in the process of work of the Demo_FileWriteArray Expert Advisor. Reading performed from the binary file in the subdirectory of the terminal local folder, whose location can be obtained calling the TerminalInfoString() function.

PrintFormat("The path to the terminal local folder: %s\\Files\\",TerminalInfoString(TERMINAL_DATA_PATH)); 
The whole file content reads using the FileReadArray() function, after which received data will be displayed in the cycle.


//--- display the window of input parameters when launching the script
#property script_show_inputs
//--- input parameters
input string InpFileName="data.bin";
input string InpDirectoryName="SomeFolder";
//| Structure for storing price data                                 |
struct prices
   datetime          date; // data
   double            bid;  // Bid price
   double            ask;  // Ask price
//| Script program start function                                    |
void OnStart()
//--- structure array
   prices arr[];
//--- file path
   string path=InpDirectoryName+"//"+InpFileName;
//--- open the file
   int file_handle=FileOpen(path,FILE_READ|FILE_BIN);
      //--- read all data from the file to the array
      //--- get the array size
      int size=ArraySize(arr);
      //--- print data from the array
      for(int i=0;i<size;i++)
         Print("Date = ",arr[i].date," Bid = ",arr[i].bid," Ask = ",arr[i].ask);
      Print("Total data = ",size);
      //--- close the file
      Print("File open failed, error ",GetLastError());

Translated from Russian by MetaQuotes Ltd.
Original code:

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