Text files!

One would think that all files are binary.  But in the old days of mechanical web pages, it wasn't binary, there was a big quantum mechanical thing called typewriters. Text fioles afre meant to simulate the old mechanical typewriters, and have become a pain for the modern computer.

Binay formatted test work fine, the application has to decide how the cursor moves. Example, fseek has problems on text files, basically inoperable.  I thik the join system will break the rule, store everything in the modern binary format, including strings of printable characters.

I always opn in binary mode as I fear the source will undergo some modifications with line endings and tabs otherwise.