Hi,

I have:

1. A text file called "t.txt" which contains just 1 line.
This 1 line contains just 1 value. Call this value "x".

2. An spreadsheet cell formula that does some calculations
and returns the value "y".


I need to:

1. Change the value "x" in the "t.txt" file to value "z".

2. Where z = x - y


So the steps would be:

1. Get value "x" from "t.txt" file. By the way,
the name "t.txt" comes from cell a12.

2. Get value "y" from cell d34.

3. Subtract "x" from "y" and assign the result to "z".

4. Replace the value "x" in "t.txt" file with value "z".


Can you tell me - How can this be done WITHOUT using any VBA code?
Can this be done using just formulas? If yes, please show me how?

Thanks.
Luther



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