Please help create the correct file structure, and then can not I do it right, and it turns out like that.
1234 Iron Tefal 100$
1254 Washing Mashine Indesit 300$
I need to in the derivation of the data is displayed in a certain position, but the data is displayed as well as in the file with the structure above. That is, to a line under the row.
but if you make the file structure using the structure of the program, then I do not know how to write a delete rows from a file, that is, the structure will look like:
1234, Iron, Tefal, $ 100, 1254, Washing Mashine, Indesit, 300 $, etc.
This structure is well suited for data output. But how can someone help, I have talked to reserve buffer space, but I do not know how.