A text field, in which a row of numbers can be written. Next to it a button, with the help of which the written information can be saved as a file //to show where the file will be saved and its name//
Another field for searching in the file. And the found result, if it coincides, to be saved in new file. Example:
We write the row 12982732937 // save it in file.
We are searching 7, if there is coincidence, we save the result in another file. If there is no message