first commit

.gitignore

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+*.gem
+*.rbc
+.bundle
+.config
+.yardoc
+Gemfile.lock
+InstalledFiles
+_yardoc
+coverage
+doc/
+lib/bundler/man
+pkg
+rdoc
+spec/reports
+test/tmp
+test/version_tmp
+tmp

Gemfile

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

LICENSE.txt

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+Copyright (c) 2013 Gen Tamura
+
+MIT License
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

README.md

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+# MiniProgressbar
+
+TODO: Write a gem description
+
+## Installation
+
+Add this line to your application's Gemfile:
+
+    gem 'mini_progressbar'
+
+And then execute:
+
+    $ bundle
+
+Or install it yourself as:
+
+    $ gem install mini_progressbar
+
+## Usage
+
+TODO: Write usage instructions here
+
+## Contributing
+
+1. Fork it
+2. Create your feature branch (`git checkout -b my-new-feature`)
+3. Commit your changes (`git commit -am 'Add some feature'`)
+4. Push to the branch (`git push origin my-new-feature`)
+5. Create new Pull Request

Rakefile

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+require "bundler/gem_tasks"
+require "rake/testtask"
+Rake::TestTask.new do |t|
+	t.pattern = "test/test_*.rb"
+end

lib/mini_progressbar.rb

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+require "mini_progressbar/version"
+
+class MiniProgressbar
+
+  CR = "\r"
+  FORMAT = "[%-30s] (%03d/%03d done)"
+
+  def initialize(goal)
+  	@goal = goal
+  	@now = 0
+  	display
+  end
+  attr_reader :goal, :now
+
+  def succeed
+  	@now += 1
+  	back_cursor
+  	display
+  end
+  # 進捗状況をを消去する
+  def clear
+  	print CR + " " * 100 + CR
+  end
+
+  private
+  # 同じ行に表示するためCR文字でカーソルを戻す
+  def back_cursor
+  	print CR
+  end
+  # 進捗状況を表示する
+  def display
+  	print FORMAT % [("=" * (30 * @now / @goal)), @now, @goal]
+  end
+
+end

lib/mini_progressbar/version.rb

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+class MiniProgressbar
+  VERSION = "0.0.1"
+end

mini_progressbar.gemspec

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+# coding: utf-8
+lib = File.expand_path('../lib', __FILE__)
+$LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
+require 'mini_progressbar/version'
+
+Gem::Specification.new do |spec|
+  spec.name          = "mini_progressbar"
+  spec.version       = MiniProgressbar::VERSION
+  spec.authors       = ["Gen Tamura"]
+  spec.email         = ["[email protected]"]
+  spec.description   = %q{TODO: Write a gem description}
+  spec.summary       = %q{TODO: Write a gem summary}
+  spec.homepage      = ""
+  spec.license       = "MIT"
+
+  spec.files         = `git ls-files`.split($/)
+  spec.executables   = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }
+  spec.test_files    = spec.files.grep(%r{^(test|spec|features)/})
+  spec.require_paths = ["lib"]
+
+  spec.add_development_dependency "bundler", "~> 1.3"
+  spec.add_development_dependency "rake"
+end

test/test_mini_progressbar.rb

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+require "minitest/unit"
+require "mini_progressbar"
+MiniTest::Unit.autorun
+
+class TestMiniProgressbar < MiniTest::Unit::TestCase
+	def setup
+		# このテストには不必要なので標準出力を抑える
+		$stdout, @orig_stdout = open("/dev/null", "w"), $stdout
+		@progressbar = MiniProgressbar.new 100
+	end
+
+	def teardown
+		$stdout = @orig_stdout
+	end
+
+	def test_goal_set_100
+		assert_equal @progressbar.goal, 100
+	end
+
+	def test_now_set_0_on_init
+		assert_equal @progressbar.now, 0
+	end
+
+	def test_now_succeeds
+		@progressbar.succeed
+		assert_equal @progressbar.now, 1
+	end
+end