EA signal-from-file

EA Input:

 volume_lots = 0.1

 file_folder = MQL4\Files\signal.txt

 archive_folder = MQL\Files\archive

 magic = magic number

Program logic:

# every minute check: if exists the file MQL4\signal.txt

    if file exists, proceed with next steps:

# read from file row by row trading signal (format described below)

# for each signal post pending order with volume_lots and parameters from signal 
   use parameter date_to as a datetime expiration of signal
   if buy - place buy_limit order
   if sell - place sell_limit order
   volume = input parameter volume_lots
   symbol - can be different (eurjpy, eurusd, eurgbp etc), not linked to specific chart symbol
   comment = [sigfa]

# save signal.txt to archive\signal_executed_yyyymmdd_time.txt

# delete signal.txt

EA output:

  pending order

Signal.txt format

Columns: dt_from, dt_to, symbol, order, price, tp, sl.

example of input file signal.txt:
2020-01-17 14:42:00 , 2020-01-17 18:42:00 ,EURJPY,122.33,Sell,122.09,122.68

Expected delivery result: 

signal-from-file.ex4 (source code)