Ruby - Revision history

Nicolas Rollin at 18:59, 13 November 2014

2014-11-13T18:59:14Z

2014-11-13T18:06:49Z

2014-11-13T18:01:36Z

2014-11-13T04:22:13Z

Create a batch file

← Older revision		Revision as of 04:22, 13 November 2014
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	end		end
	else		else
	puts "~~Hello~~ #{@names}!"		puts "Coucou #{@names}!"
	end		end
	end		end
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	puts "Goodbye #{@names.join(", ")}. Come back soon!"		puts "Goodbye #{@names.join(", ")}. Come back soon!"
	else		else
	puts "~~Goodbye~~ #{@names}. Come back soon!"		puts "Ciao #{@names}. Come back soon!"
	end		end
	end		end
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	</pre>		</pre>

	>ruby helloworl.rb		* Execute
			<pre>ruby helloworl.rb</pre>

			<pre>Coucou World!
			Ciao World. Come back soon!
			Coucou Zeke!
			Ciao Zeke. Come back soon!
			Hello Albert!
			Hello Brenda!
			Hello Charles!
			Hello Dave!
			Hello Engelbert!
			Goodbye Albert, Brenda, Charles, Dave, Engelbert. Come back soon!
			</pre>

	===Structure===		===Structure===

2014-11-13T04:18:06Z

Structure

← Older revision		Revision as of 04:18, 13 November 2014
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	===Structure===		===Structure===

			====Comment====

			<pre># This is a comment</pre>
	====If====		====If====

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	end		end
	</pre>		</pre>


			====Control====
			* __FILE__ contains the current file name.
			* $0 The name of the used to run the current file
			<pre>if __FILE__ == $0</pre>

2014-11-13T03:32:40Z

← Older revision		Revision as of 03:32, 13 November 2014
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	>ruby helloworl.rb		>ruby helloworl.rb

			===Structure===

			====If====

			<pre># If null
			if @names.nil?
			puts "..."
			elsif @names.respond_to?("join")
			# Grouper les noms par des virgules
			puts "Goodbye #{@names.join(", ")}. Come back soon!"
			else
			puts "Goodbye #{@names}. Come back soon!"
			end
			</pre>

			====Iteration====
			<pre>@names.each do \|name\|
			puts "Hello #{name}!"
			end
			</pre>

2014-11-13T02:12:42Z

First Step

← Older revision		Revision as of 02:12, 13 November 2014
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	* attr_accessor add tow methods "name" and ""name=""		* attr_accessor add tow methods "name" and ""name=""

			====Create a batch file====
			<pre>
			#!/usr/bin/env ruby

			class MegaGreeter
			attr_accessor :names

			# Création d'un objet
			def initialize(names = "World")
			@names = names
			end

			# Saluer tout le monde
			def say_hi
			if @names.nil?
			puts "..."
			elsif @names.respond_to?("each")
			# @names est une liste de noms : traitons-les uns par uns
			@names.each do \|name\|
			puts "Hello #{name}!"
			end
			else
			puts "Hello #{@names}!"
			end
			end

			# Dire au revoir à tout le monde
			def say_bye
			if @names.nil?
			puts "..."
			elsif @names.respond_to?("join")
			# Grouper les différents noms de la liste par des virgules
			puts "Goodbye #{@names.join(", ")}. Come back soon!"
			else
			puts "Goodbye #{@names}. Come back soon!"
			end
			end

			end


			if __FILE__ == $0
			mg = MegaGreeter.new
			mg.say_hi
			mg.say_bye

			# Modifier le nom en Zeke
			mg.names = "Zeke"
			mg.say_hi
			mg.say_bye

			# Changer le nom pour un tableau (une liste de noms)
			mg.names = ["Albert", "Brenda", "Charles",
			"Dave", "Engelbert"]
			mg.say_hi
			mg.say_bye

			# Maintenant, le nom n'est plus...
			mg.names = nil
			mg.say_hi
			mg.say_bye
			end

			</pre>

			>ruby helloworl.rb

2014-11-13T02:11:07Z

Change Class Attribut

← Older revision		Revision as of 02:11, 13 November 2014
Line 77:		Line 77:

	o.say_hi<br>		o.say_hi<br>

			* attr_accessor add tow methods "name" and ""name=""

2014-11-13T02:08:28Z

Change Class Attribut

2014-11-13T02:05:46Z