Regardless of what editor you use, be careful that it isn't leaving copies of your passwords other places on your filesystem. For example vim will save your rec

Regardless of what editor you use, be careful that it isn't leaving copies of your passwords other places on your filesystem. For example vim will save your recent yank registers in ~/.viminfo by default. You can avoid this with vim -i NONE or you can chmod your .viminfo to 000.