File read while backtesting

 
can we read from a file during backtesting in mql4?
 
Satyam Shivam: can we read from a file during backtesting in mql4?

Yes! Just remember that the "Files" location for the Strategy Tester is different than that of normal live trading.

The file is opened in the folder of the client terminal in the subfolder MQL4\files (or Tester\Files in case of testing). If FILE_COMMON is specified among flags, the file is opened in a shared folder for all MetaTrader 4 client terminals.
Reason: