Seeking assistance - string processing.

[John Machin]

John Machin wrote:

>    new = line[:-1] + "===\n"

To allow for cases where the last line in the file is not terminated
[can happen],
this should be:

    new = line.rstrip("\n") + "===\n"
    # assuming you want to fix the unterminated problem.

Cheers,
John