You can read a text file with several functions. One is the Read From Spreadsheet File. This will return an array. The array can be wired to a for loop. Inside the loop, put the chart indicator. You wire the the array through the loop to the chart. The for loop will automatically index the array. Tthe exact method of using a file read will depend on the format of the file. Below is the general idea. Give it a try and if you get stuck, post your code and an example text file.