From: student_vienna@... (daniel) Date: 2003-04-17T05:54:49+09:00 Subject: example hello, I'm goint to write a ruby extension for an extern hardware tool. When my extension receives data (i.e.) from the serial interface (com1), a function in the ruby code should be ``executedå¹¹ So I'm searching now for a simple example which show how to implement callback functions. Does anybody known a good link for this? daniel