It is a symlink, but bash will automatically enable posix compliance mode if you use it. So any bash specific features will bomb out unless you explicitly reset it in the script.
I thought it was decompiled code at first to, but the function names are still real words. It's almost like it was manually obfuscated by replacing all the variable names.
I'm actually OK with QR code menus, but only when done well. It's nice to be able to place an order and pay anytime without having to wait for a waiter to come by or have them constantly bother you.
However, I've run into a lot of really poorly done QR code menus that just don't work 50% of the time.
It is a symlink, but bash will automatically enable posix compliance mode if you use it. So any bash specific features will bomb out unless you explicitly reset it in the script.