How to automate Excel data validation using ruby

Hi All,

I am a new to ruby , jst started learning ruby via Code academy.
I want to automate a application , where we are having excel report
which is getting data from the REST servers.

this report is getting generated by Jasper servers.

I want to validate data correctness with Rest data.

Please help me into this.

thanks in advance

Quick response will be appreciated.

Regards
Yogesh

This is all very vague. Can you give examples?