Created
September 11, 2012 23:05
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Use Google calculator to convert currency in Ruby
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| require 'faraday' | |
| require 'faraday_middleware' | |
| require 'json' | |
| # Debug: | |
| # require "pry" | |
| country_code_src = "USD" | |
| country_code_dst = "INR" | |
| connection = Faraday.get("http://www.google.com/ig/calculator?hl=en&q=1#{country_code_src}=?#{country_code_dst}") | |
| currency_comparison_hash = eval connection.body #Google's output is not JSON, it's a hash | |
| dst_currency_value, *dst_currency_text = *currency_comparison_hash[:rhs].split(' ') | |
| dst_currency_value = dst_currency_value.to_f | |
| dst_currency_text = dst_currency_text.join(' ') | |
| puts "#{country_code_dst} -> #{dst_currency_value} (#{dst_currency_text} to 1 #{country_code_src})" |
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Found this Gist somewhere on SO, so I thought I'd drop a line that iGoogle has been since decommissioned. You can find a working example with Google's finance calculator here