Select arrays between date ranges with Ruby

Question

I have an array of arrays, I want to select arrays with a date that falls in a certain range.

ar = [[72162, \"2014-01-21\"], 
[53172, \"2014-01-22\"], 
[4937         


        

Answer 1

require 'date'
range = Date.parse("2014-01-24")..Date.parse("2014-01-29")
ar.select { |x| range.include?(Date.parse(x[1])) }
=> [[41778, "2014-01-24"],
 [34182, "2014-01-25"],
 [58869, "2014-01-26"],
 [72162, "2014-01-27"],
 [43677, "2014-01-28"],
 [37980, "2014-01-29"]]