Writefile readfile problem

Hi

I would like to write some data to the file, and later to read theme.
But my problem is how to format data to be readable right way.

for example is it possible to save data to the file in rows?
is it easier to read data this way?

or should i use separators as space or dots… to separate data
but what if data different size of letters that some data has more spaces than the other.

probably i am just missing some objects.

i have attached my patch please can you look at it

thanks

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