GeneralTradingSarl
52 lines
2.0 KiB
Plaintext
52 lines
2.0 KiB
Plaintext
//+------------------------------------------------------------------+
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//| Demo_FileReadArray.mq5 |
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//| Copyright 2013, MetaQuotes Software Corp. |
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//| http://www.mql5.com |
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//+------------------------------------------------------------------+
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#property copyright "Copyright 2013, MetaQuotes Software Corp."
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#property link "http://www.mql5.com"
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#property version "1.00"
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//--- display the window of input parameters when launching the script
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#property script_show_inputs
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//--- input parameters
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input string InpFileName="data.bin";
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input string InpDirectoryName="SomeFolder";
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//+------------------------------------------------------------------+
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//| Structure for storing price data |
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//+------------------------------------------------------------------+
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struct prices
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{
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datetime date; // date
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double bid; // bid price
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double ask; // ask price
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};
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//+------------------------------------------------------------------+
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//| Script program start function |
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//+------------------------------------------------------------------+
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void OnStart()
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{
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//--- structure array
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prices arr[];
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//--- file path
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string path=InpDirectoryName+"//"+InpFileName;
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//--- open the file
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ResetLastError();
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int file_handle=FileOpen(path,FILE_READ|FILE_BIN);
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if(file_handle!=INVALID_HANDLE)
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{
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//--- read all data from the file to the array
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FileReadArray(file_handle,arr);
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//--- receive the array size
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int size=ArraySize(arr);
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//--- print data from the array
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for(int i=0;i<size;i++)
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Print("Date = ",arr[i].date," Bid = ",arr[i].bid," Ask = ",arr[i].ask);
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Print("Total data = ",size);
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//--- close the file
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FileClose(file_handle);
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}
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else
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Print("File open failed, error ",GetLastError());
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}
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//+------------------------------------------------------------------+
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