Print out the change in the last hour of various crypotcurrencies

coinmarket

#!/usr/bin/env ruby

require 'rubygems'
require 'json'
require 'net/http'
require 'colorize'
 
def fetch(url)
   resp = Net::HTTP.get_response(URI.parse(url))
   data = resp.body
   JSON.parse(data)
end
 
coinmarketcap =  fetch "http://coinmarketcap.northpole.ro/api/all.json"
coinmarketcap["markets"].reverse.each do |c| 
	price = c["change1h"].green if c["change1h"].to_f > 0
	price = c["change1h"].red if c["change1h"].to_f < 0
	puts %Q[ #{c["name"]} #{price}] 
end

coinmarket.rb

require 'rubygems'
require 'json'
require 'net/http'
require 'colorize'
 
def fetch(url)
   resp = Net::HTTP.get_response(URI.parse(url))
   data = resp.body
   JSON.parse(data)
end
 
coinmarketcap =  fetch "http://coinmarketcap.northpole.ro/api/all.json"
coinmarketcap["markets"].reverse.each do |c| 
	price = c["change1h"].green if c["change1h"].to_f > 0
	price = c["change1h"].red if c["change1h"].to_f < 0
	puts %Q[ #{c["name"]} #{price}] 
end

topcoinhour

#!/usr/bin/env ruby

require 'rubygems'
require 'json'
require 'net/http'
require 'colorize'
 
def fetch(url)
   resp = Net::HTTP.get_response(URI.parse(url))
   data = resp.body
   JSON.parse(data)
end
 
coinmarketcap =  fetch "http://coinmarketcap.northpole.ro/api/all.json"

coinmarketcap["markets"].sort_by! {|coin| coin["change1h"].to_f }

coinmarketcap["markets"].each do |c| 
	next if c["change1h"].to_f.zero?
	price = "+#{c['change1h']}".green if c["change1h"].to_f > 0
	price = c["change1h"].red if c["change1h"].to_f < 0
	puts %Q[ #{c["name"]} #{price}] 
end

to install

sudo mv coinmarket usr/bin/coinmarket
sudo chmod 777 usr/bin/coinmarket
sudo chmod u+x usr/bin/coinmarket