Adding the gist -r <id> command to read a gist

Author: ibash

bin/gist

@@ -49,6 +49,7 @@ original gist with the same GitHub account.
 
 Usage: #{executable_name} [-o|-c|-e] [-p] [-s] [-R] [-d DESC] [-a] [-u URL] [-P] [-f NAME|-t EXT]* FILE*
  #{executable_name} --login
+ #{executable_name} [-l|-r]
 
  EOS
 
@@ -118,6 +119,10 @@ Usage: #{executable_name} [-o|-c|-e] [-p] [-s] [-R] [-d DESC] [-a] [-u URL] [-P]
  options[:list] = user
  end
 
+ opts.on("-r", "--read ID [FILENAME]", "Read a gist and print out the contents") do |id|
+ options[:read] = id
+ end
+
  opts.on_tail("-h","--help", "Show this message.") do
  puts opts
  exit
@@ -156,6 +161,12 @@ begin
  exit
  end
 
+ if options.key? :read
+ file_name = ARGV.first
+ Gist.read_gist(options[:read], file_name)
+ exit
+ end
+
  if options[:paste]
  puts Gist.gist(Gist.paste, options)
  else

lib/gist.rb

@@ -201,6 +201,28 @@ def list_all_gists(user = "")
 
  end
 
+ def read_gist(id, file_name=nil)
+ url = "#{base_path}/gists/#{id}"
+ request = Net::HTTP::Get.new(url)
+ response = http(api_url, request)
+
+ if response.code == '200'
+ body = JSON.parse(response.body)
+ files = body["files"]
+
+ if file_name
+ file = files[file_name]
+ raise Error, "Gist with id of #{id} and file #{file_name} does not exist." unless file
+ else
+ file = files.values.first
+ end
+
+ puts file["content"]
+ else
+ raise Error, "Gist with id of #{id} does not exist."
+ end
+ end
+
  def get_gist_pages(url)
 
  request = Net::HTTP::Get.new(url)