Bash, serial I/O and Arduino

Question

So, I\'m in a bit over my head, and I feel like I\'m very close to a solution, but it\'s just not working quite yet. Here\'s my situation:

I\'m working with an Ardui

Answer 1

Try / modify ttyecho:

http://www.humbug.in/2010/utility-to-send-commands-or-data-to-other-terminals-ttypts/