Filename for SD from .txt file from SD

iegj:
i am doing this because ...

You misunderstand. What baffled me was the process you described of converting strings to integers to chars, which made no sense whatsoever.

iegj:
The format in the .TXT file is just the name of the file i want to create, for example: test.txt

In that case, read the string from the file and use that as the file name.