Initial commit: v0.1

.gitignore

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+/.bundle/
+/.yardoc
+/Gemfile.lock
+/_yardoc/
+/coverage/
+/doc/
+/pkg/
+/spec/reports/
+/tmp/

.travis.yml

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+language: ruby
+rvm:
+  - 2.2.3
+before_install: gem install bundler -v 1.11.2

Gemfile

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+source 'https://rubygems.org'
+
+# Specify your gem's dependencies in ultron.gemspec
+gemspec

README.md

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+# Ultron
+
+Welcome to your new gem! In this directory, you'll find the files you need to be able to package up your Ruby library into a gem. Put your Ruby code in the file `lib/ultron`. To experiment with that code, run `bin/console` for an interactive prompt.
+
+TODO: Delete this and the text above, and describe your gem
+
+## Installation
+
+Add this line to your application's Gemfile:
+
+```ruby
+gem 'ultron'
+```
+
+And then execute:
+
+    $ bundle
+
+Or install it yourself as:
+
+    $ gem install ultron
+
+## Usage
+
+TODO: Write usage instructions here
+
+## Development
+
+After checking out the repo, run `bin/setup` to install dependencies. Then, run `rake test` to run the tests. You can also run `bin/console` for an interactive prompt that will allow you to experiment.
+
+To install this gem onto your local machine, run `bundle exec rake install`. To release a new version, update the version number in `version.rb`, and then run `bundle exec rake release`, which will create a git tag for the version, push git commits and tags, and push the `.gem` file to [rubygems.org](https://rubygems.org).
+
+## Contributing
+
+Bug reports and pull requests are welcome on GitHub at https://github.com/[USERNAME]/ultron.
+

Rakefile

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+require "bundler/gem_tasks"
+require "rake/testtask"
+
+Rake::TestTask.new(:test) do |t|
+  t.libs << "test"
+  t.libs << "lib"
+  t.test_files = FileList['test/**/*_test.rb']
+end
+
+task :default => :spec

bin/console

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+#!/usr/bin/env ruby
+
+require "bundler/setup"
+require "ultron"
+
+# You can add fixtures and/or initialization code here to make experimenting
+# with your gem easier. You can also use a different console, if you like.
+
+# (If you use this, don't forget to add pry to your Gemfile!)
+# require "pry"
+# Pry.start
+
+require "irb"
+IRB.start

bin/setup

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+#!/usr/bin/env bash
+set -euo pipefail
+IFS=$'\n\t'
+set -vx
+
+bundle install
+
+# Do any other automated setup that you need to do here

lib/ultron.rb

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+require "ultron/version"
+
+module Ultron
+  @@ultron_instance = nil
+  def self.init(file)
+    @@ultron_instance ||= Instance.new(file)
+  end
+  def self.update!(data)
+    @@ultron_instance || init($0) && @@ultron_instance.update!(data)
+  end
+  def self.inst
+    @@ultron_instance || init($0)
+  end
+  class Instance
+    attr_reader :file, :data_pos
+    attr_accessor :data
+    def initialize(file)
+      @file = file
+      unless defined? DATA
+        f = File.new @file, "r+"
+        f.seek 0, File::SEEK_END
+        f.write "\n__END__\n"
+        @data_pos = f.pos
+        @data = []
+        f.flush
+        f.close
+      else
+        @data_pos = DATA.pos
+        @data = DATA.readlines.map(&:chomp)
+      end
+    end
+    def update!(data = [])
+      data = [ data ] unless data.kind_of? Array
+      @data += data
+      file = File.new @file, "r+"
+      file.seek @data_pos
+      file.write @data.join "\n"
+      file.close
+    end
+  end
+end

lib/ultron/version.rb

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+module Ultron
+  VERSION = "0.1.0"
+end

test/test_helper.rb

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+$LOAD_PATH.unshift File.expand_path('../../lib', __FILE__)
+require 'ultron'
+
+require 'minitest/autorun'

test/ultron_test.rb

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+require 'test_helper'
+
+class UltronTest < Minitest::Test
+  def test_that_it_has_a_version_number
+    refute_nil ::Ultron::VERSION
+  end
+
+  def test_it_does_something_useful
+    assert false
+  end
+end

ultron.gemspec

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+# coding: utf-8
+lib = File.expand_path('../lib', __FILE__)
+$LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
+require 'ultron/version'
+
+Gem::Specification.new do |spec|
+  spec.name          = "ultron"
+  spec.version       = Ultron::VERSION
+  spec.authors       = ["MinasMazar"]
+  spec.email         = ["minasmazar@gmail.com"]
+
+  spec.summary       = %q{Ultron manage DATA stream in __FILE__}
+  spec.description   = ""
+  spec.homepage      = ""
+
+  # Prevent pushing this gem to RubyGems.org by setting 'allowed_push_host', or
+  # delete this section to allow pushing this gem to any host.
+  if spec.respond_to?(:metadata)
+    spec.metadata['allowed_push_host'] = "TODO: Set to 'http://mygemserver.com'"
+  else
+    raise "RubyGems 2.0 or newer is required to protect against public gem pushes."
+  end
+
+  spec.files         = `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
+  spec.bindir        = "exe"
+  spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
+  spec.require_paths = ["lib"]
+
+  spec.add_development_dependency "bundler", "~> 1.11"
+  spec.add_development_dependency "rake", "~> 10.0"
+  spec.add_development_dependency "minitest", "~> 5.0"
+end