Parse AWS Invoice PDF file and extract the exchange rate value.

README.md

$ ls
Gemfile        a.rb           invoice.us.pdf

bundle install
ruby a.rb
130.2698

a.rb

require 'pdf-reader'

PDF::Reader.new("invoice.us.pdf").pages[0].text.split("\n").each do |line|
  if line.include? 'Exchange Rate'
    puts line.split[4].delete("^\.0-9")
  end
end

Gemfile

# frozen_string_literal: true

source "https://rubygems.org"

gem "pdf-reader"