1. OK - so no new file for each day?
2. what can I see if api-bind works? What program do I need to use this? What is the benefit/function of api-bind? Why and how do you want to use it?
1. Could you please just implement that anything passed afer -log is used for the log file name? No need for the fancy logic here. If log exists - append to the end.
2. Honestly - just ignore it. If dude has problems explaining what he needs it's not your fault neither is your obligation to do some research.