Unable to open file - Always showing 5002 error

[moneykrishna]

void OnTick()
  {   
      string filename = TerminalInfoString(TERMINAL_DATA_PATH) + "\\MQL5\\Files\\example.ini";
      int file_handle = FileOpen(filename, 1);
      if (file_handle == INVALID_HANDLE)
      {
          Comment("Failed to open file: " + filename + GetLastError());
          return;
      }
      
      string line;
      while (!FileIsEnding(file_handle))
      {
          line = FileReadString(file_handle);
          if (StringLen(line) > 0)
          {
              // Process the line
              Comment(line);
          }
      }
      
      FileClose(file_handle);

  }

[Soewono Effendi]

try:

string filename = "example.ini";

[Paul Anscombe]

moneykrishna:

void OnTick()    <<-- don't open the file every tick
  {   
      string filename = TerminalInfoString(TERMINAL_DATA_PATH) + "\\MQL5\\Files\\example.ini";   <<-- incorrect path see documentation
      int file_handle = FileOpen(filename, 1);   <<---- what is this supposed to be?  don't use numerics for enumerations
      if (file_handle == INVALID_HANDLE)
      {
          Comment("Failed to open file: " + filename + GetLastError());
          return;
      }
      

https://www.mql5.com/en/docs/files/fileopen

[William Roeder]

tring filename = TerminalInfoString(TERMINAL_DATA_PATH) + "\\MQL5\\Files\\example.ini";

File Write Problem (Error: 5002) - Expert Advisors and Automated Trading - MQL5 programming forum #1-2 (2020)
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