how to read data from PDF in ruby on rails

[jamn...@gmail.com]

I am trying to read data from pdf file. Can any body help me 

[Thomas Connolly]

I'm going to lean how to do this, and I will start by reading the instructions for the gem at https://github.com/yob/pdf-reader

[jamn...@gmail.com]

I visit https://github.com/yob/pdf-reader link and read full documentation, but again i can't understand, where will i code put. Please guide me where can i put code and into which file...