diff --git a/i18n/en_US.yml b/i18n/en_US.yml
new file mode 100644
index 0000000..061af78
--- /dev/null
+++ b/i18n/en_US.yml
@@ -0,0 +1,82 @@
+---
+en_US:
+  error:
+    add:
+      name_empty: "You must define a name!"
+    config:
+      write: "Can't write the config file!"
+      check: "Checkconfig failed!"
+      key_bad_format: "The key string isn't in good format!"
+    delete:
+      id_no_exist: "Can't delete the item, the item %{id} doesn't exist!"
+    export:
+      write: "Can't export, impossible to write in %{file}!"
+    gpg_file: 
+      decrypt: "Can't decrypt file!"
+      encrypt: "Can't encrypt the GPG file!"
+    import:
+      bad_format: "Can't import, the file is bad format!"
+      read: "Can't import, impossible to read %{file}!"
+    update:
+      id_no_exist: "Can't update the item, the item %{id} doesn't exist!"
+  cli:
+    form:
+      add:
+        title: "Add a new item"
+        name: "Enter the name: "
+        group: "Enter the group [default=NoGroup]: "
+        server: "Enter the hostname or ip: "
+        protocol: "Enter the protocol of the connection (ssh, http, other): "
+        login: "Enter the login connection: "
+        password: "Enter the the password: "
+        port: "Enter the connection port (optinal): "
+        comment: "Enter a comment (optinal): "
+        valid: "Item has been added!"
+      delete:
+        ask: "Are you sure to remove the item: %{id} ?"
+        valid: "The item %{id} has been removed!"
+        not_valid: "The item %{id} hasn't been removed, because it doesn't exist!"
+      import:
+        ask: "Are you sure to import this file: %{file} ?"
+        valid: "The import is succesfull!"
+        not_valid: "No data to import!"
+      setup:
+        title: "Setup a new config file"
+        lang: "Choose your language (en, fr, ...): "
+        gpg_key: "Enter the GPG key: " 
+        gpg_file: "Enter the path to encrypt file [default=%{home}/.mpw.gpg]: "
+        timeout: "Enter the timeout (in seconde) to GPG password [default=60]: "
+        valid: "The config file has been created!"
+      update:
+        title: "Update an item"
+        name: "Enter the name [%{name}]: "
+        group: "Enter the group [%{group}]: "
+        server: "Enter the hostname or ip [%{server}]: "
+        protocol: "Enter the protocol of the connection [%{protocol}]: "
+        login: "Enter the login connection [%{login}]: "
+        password: "Enter the the password: "
+        port: "Enter the connection port [%{port}]: "
+        comment: "Enter a comment [%{comment}]: "
+        valid: "Item has been updated!" 
+    interactive:
+      ask_password: "Password GPG: "
+      bad_password: "Bad password!"
+      goodbye: "Goodbye!"
+      unknown_command: "Unknown command!"
+    display:
+      comment: "Comment"
+      error: "ERROR"
+      gpg_password: "Password GPG: "
+      group: "Group"
+      login: "Login"
+      name: "Name"
+      nothing: "Nothing result!"
+      password: "Password"
+      port: "Port"
+      protocol: "Protocol"
+      server: "Server"
+  formats:
+    default: ! '%Y-%m-%d'
+    long: ! '%B %d, %Y'
+    short: ! '%b %d'
+    custom: ! '%A, %M %B, %Y @ %l:%M%P'
diff --git a/i18n/fr_FR.yml b/i18n/fr_FR.yml
new file mode 100644
index 0000000..b35fb9b
--- /dev/null
+++ b/i18n/fr_FR.yml
@@ -0,0 +1,82 @@
+---
+fr_FR:
+  error:
+    add:
+      name_empty: "Vous devez définir un nom!"
+    config:
+      write: "Impossible d'écrire le fichier de configuration!"
+      check: "Le fichier de configuration est invalide!"
+      key_bad_format: "La clé GPG est invalide!"
+    delete:
+      id_no_exist: "Impossible de supprimer l'élément %{id}, car il n'existe pas!"
+    export:
+      write: "Impossible d'exporter les données dans le fichier %{file}!"
+    gpg_file: 
+      decrypt: "Impossible de déchiffrer le fichier GPG!"
+      encrypt: "Impossible de chiffrer le fichier GPG!"
+    import:
+      bad_format: "Impossible d'importer le fichier car son format est incorrect!"
+      read: "Impossible d'importer le fichier %{file}, car il n'est pas lisible!"
+    update:
+      id_no_exist: "Impossible de mettre à jour l'élément %{id}, car il n'existe pas!"
+  cli:
+    form:
+      add:
+        title: "Ajout d'un nouvel élément"
+        name: "Entrez le nom: "
+        group: "Entrez le groupe [défaut=NoGroup]: "
+        server: "Entrez the hostname or ip: "
+        protocol: "Entrez le protocole de connexion (ssh, http, other): "
+        login: "Entrez l'identifiant de connexion: "
+        password: "Entrez le mot de passe: "
+        port: "Entrez le port de connexion (optionnel): "
+        comment: "Entrez un commentaire (optionnel): "
+        valid: "L'élément a bien été ajouté!"
+      delete:
+        ask: "Êtes vous sûre de vouloir supprimer l'élément %{id} ?"
+        valid: "L'élément %{id} a bien été supprimé!"
+        not_valid: "L'élément %{id} n'a pu être supprimé, car il n'existe pas!"
+      import:
+        ask: "Êtes vous sûre de vouloir importer le fichier %{file} ?"
+        valid: "L'import est un succès!"
+        not_valid: "Aucune donnée à importer!"
+      setup:
+        title: "Création d'un nouveau fichier de configuration"
+        lang: "Choisissez votre langue (en_US, fr_FR, ...) [défaut=%{lang}]: "
+        gpg_key: "Entrez la clé GPG: " 
+        gpg_file: "Entrez le chemin du fichier qui sera chiffré [défaut=%{home}/.mpw.gpg]: "
+        timeout: "Entrez le temps (en seconde) du mot de passe GPG [défaut=60]: "
+        valid: "Le fichier de configuration a bien été créé!"
+      update:
+        title: "Mis à jour d'un élément"
+        name: "Entrez le nom [%{name}]: "
+        group: "Entrez le groupe [%{group}]: "
+        server: "Entrez le nom de domaine ou l'ip du serveur [%{server}]: "
+        protocol: "Entrez le protocole de connexion [%{protocol}]: "
+        login: "Entrez votre identifiant de connexion [%{login}]: "
+        password: "Entrez le mot de passe: "
+        port: "Entrez un port de connexion [%{port}]: "
+        comment: "Entrez un commentaire [%{comment}]: "
+        valid: "L'élément a bien été mis à jour!" 
+    interactive:
+      ask_password: "Mot de passe GPG: "
+      bad_password: "Mauvais mot de passe!"
+      goodbye: "Au revoir!"
+      unknown_command: "Commande inconnue!"
+    display:
+      comment: "Commentaire"
+      error: "ERREUR"
+      gpg_password: "Mot de passe GPG: "
+      group: "Groupe"
+      login: "Identifiant"
+      name: "Nom"
+      nothing: "Aucun résultat!"
+      password: "Mot de passe"
+      port: "Port"
+      protocol: "Protocol"
+      server: "Serveur"
+  formats:
+    default: ! '%Y-%m-%d'
+    long: ! '%B %d, %Y'
+    short: ! '%b %d'
+    custom: ! '%A, %M %B, %Y @ %l:%M%P'
diff --git a/lib/Cli.rb b/lib/Cli.rb
index 81ae5de..9e379a2 100644
--- a/lib/Cli.rb
+++ b/lib/Cli.rb
@@ -7,43 +7,52 @@ require 'rubygems'
 require 'highline/import'
 require 'pathname'
 require 'readline'
+require 'i18n'
 
 require "#{APP_ROOT}/lib/MPW.rb"
 
 class Cli
 
 	# Constructor
-	def initialize()
+	def initialize(lang)
 		@m = MPW.new()
 		
 		if not @m.checkconfig()
-			self.setup()
+			self.setup(lang)
 		end
 
 		if not self.decrypt()
-			puts "ERROR: #{@m.error_msg}"
+			puts "#{I18n.t('cli.display.error')}: #{@m.error_msg}"
 			exit 2
 		end
 	end
 
 	# Create a new config file
-	def setup()
-		puts "# Setup a new config file"
+	# @args: lang -> the software language
+	def setup(lang)
+		puts "# #{I18n.t('cli.form.setup.title')}"
 		puts "# --------------------"
-		key         = ask("Enter the GPG key: ")
-		file_gpg    = ask("Enter the path to encrypt file [default=#{Dir.home()}/.mpw.gpg]: ")
-		timeout_pwd = ask("Enter the timeout (in seconde) to GPG password [default=60]: ")
+		language    = ask(I18n.t('cli.form.setup.lang', :lang => lang))
+		key         = ask(I18n.t('cli.form.setup.gpg_key'))
+		file_gpg    = ask(I18n.t('cli.form.setup.gpg_file', :home => Dir.home()))
+		timeout_pwd = ask(I18n.t('cli.form.setup.timeout'))
 		
-		if @m.setup(key, file_gpg, timeout_pwd)
-			puts "The config file has been created!"
+		if !File.exist?("#{APP_ROOT}/i18n/#{language}.yml")
+			language= 'en_US'
+		end
+		I18n.load_path = Dir["#{APP_ROOT}/i18n/#{language}.yml"]
+		I18n.locale = language.to_sym
+
+		if @m.setup(key, language, file_gpg, timeout_pwd)
+			puts I18n.t('cli.form.setup.valid')
 		else
-			puts "ERROR: #{@m.error_msg}"
+			puts "#{I18n.t('cli.display.error')}: #{@m.error_msg}"
 		end
 	end
 
 	# Request the GPG password and decrypt the file
 	def decrypt()
-		@passwd = ask("Password GPG: ") {|q| q.echo = false}
+		@passwd = ask(I18n.t('cli.display.gpg_password')) {|q| q.echo = false}
 		return @m.decrypt(@passwd)
 	end
 
@@ -62,7 +71,7 @@ class Cli
 				end
 			end
 		else
-			puts "Nothing result!"	
+			puts I18n.t('cli.display.nothing')
 		end
 	end
 
@@ -71,14 +80,14 @@ class Cli
 	def displayFormat(item)
 		puts "# --------------------"
 		puts "# Id: #{item[MPW::ID]}"
-		puts "# Name: #{item[MPW::NAME]}"
-		puts "# Group: #{item[MPW::GROUP]}"
-		puts "# Server: #{item[MPW::SERVER]}"
-		puts "# Protocol: #{item[MPW::PROTOCOL]}"
-		puts "# Login: #{item[MPW::LOGIN]}"
-		puts "# Password: #{item[MPW::PASSWORD]}"
-		puts "# Port: #{item[MPW::PORT]}"
-		puts "# Comment: #{item[MPW::COMMENT]}"
+		puts "# #{I18n.t('cli.display.name')}: #{item[MPW::NAME]}"
+		puts "# #{I18n.t('cli.display.group')}: #{item[MPW::GROUP]}"
+		puts "# #{I18n.t('cli.display.server')}: #{item[MPW::SERVER]}"
+		puts "# #{I18n.t('cli.display.protocol')}: #{item[MPW::PROTOCOL]}"
+		puts "# #{I18n.t('cli.display.login')}: #{item[MPW::LOGIN]}"
+		puts "# #{I18n.t('cli.display.password')}: #{item[MPW::PASSWORD]}"
+		puts "# #{I18n.t('cli.display.port')}: #{item[MPW::PORT]}"
+		puts "# #{I18n.t('cli.display.comment')}: #{item[MPW::COMMENT]}"
 	end
 
 	# Display an item in the alternative format
@@ -100,25 +109,25 @@ class Cli
 	# Form to add a new item
 	def add()
 		row = Array.new()
-		puts "# Add a new item"
+		puts "# #{I18n.t('cli.form.add.title')}"
 		puts "# --------------------"
-		name     = ask("Enter the name: ")
-		group    = ask("Enter the group [default=NoGroup]: ")
-		server   = ask("Enter the hostname or ip: ")
-		protocol = ask("Enter the protocol of the connection (ssh, http, other): ")
-		login    = ask("Enter the login connection: ")
-		passwd   = ask("Enter the the password: ")
-		port     = ask("Enter the connection port (optinal): ")
-		comment  = ask("Enter a comment (optinal): ")
+		name     = ask(I18n.t('cli.form.add.name'))
+		group    = ask(I18n.t('cli.form.add.group'))
+		server   = ask(I18n.t('cli.form.add.server'))
+		protocol = ask(I18n.t('cli.form.add.protocol'))
+		login    = ask(I18n.t('cli.form.add.login'))
+		passwd   = ask(I18n.t('cli.form.add.password'))
+		port     = ask(I18n.t('cli.form.add.port'))
+		comment  = ask(I18n.t('cli.form.add.comment'))
 
 		if @m.add(name, group, server, protocol, login, passwd, port, comment)
 			if @m.encrypt()
-				puts "Item has been added!"
+				puts I18n.t('cli.form.add.valid')
 			else
-				puts "ERROR: #{@m.error_msg}"
+				puts "#{I18n.t('cli.display.error')}: #{@m.error_msg}"
 			end
 		else
-			puts "ERROR: #{@m.error_msg}"
+			puts "#{I18n.t('cli.display.error')}: #{@m.error_msg}"
 		end
 	end
 
@@ -128,28 +137,28 @@ class Cli
 		row = @m.searchById(id)
 
 		if not row.empty?
-			puts "# Update an item"
+			puts "# #{I18n.t('cli.form.update.title')}"
 			puts "# --------------------"
-			name     = ask("Enter the name [#{row[MPW::NAME]}]: ")
-			group    = ask("Enter the group [#{row[MPW::GROUP]}]: ")
-			server   = ask("Enter the hostname or ip [#{row[MPW::SERVER]}]: ")
-			protocol = ask("Enter the protocol of the connection [#{row[MPW::PROTOCOL]}]: ")
-			login    = ask("Enter the login connection [#{row[MPW::LOGIN]}]: ")
-			passwd   = ask("Enter the the password: ")
-			port     = ask("Enter the connection port [#{row[MPW::PORT]}]: ")
-			comment  = ask("Enter a comment [#{row[MPW::COMMENT]}]: ")
+			name     = ask(I18n.t('cli.form.update.name'    , :name => row[MPW::NAME]))
+			group    = ask(I18n.t('cli.form.update.group'   , :group => row[MPW::GROUP]))
+			server   = ask(I18n.t('cli.form.update.server'  , :server => row[MPW::SERVER]))
+			protocol = ask(I18n.t('cli.form.update.protocol', :protocol => row[MPW::PROTOCOL]))
+			login    = ask(I18n.t('cli.form.update.login'   , :login => row[MPW::LOGIN]))
+			passwd   = ask(I18n.t('cli.form.update.password'))
+			port     = ask(I18n.t('cli.form.update.port'    , :port => row[MPW::PORT]))
+			comment  = ask(I18n.t('cli.form.update.comment' , :comment => row[MPW::COMMENT]))
 				
 			if @m.update(id, name, group, server, protocol, login, passwd, port, comment)
 				if @m.encrypt()
-					puts "Item has been updated!"
+					puts I18n.t('cli.form.update.valid')
 				else
-					puts "ERROR: #{@m.error_msg}"
+					puts "#{I18n.t('cli.display.error')}: #{@m.error_msg}"
 				end
 			else
-				puts "ERROR: #{@m.error_msg}"
+				puts "#{I18n.t('cli.display.error')}: #{@m.error_msg}"
 			end
 		else
-			puts "Nothing result!"
+			puts I18n.t('cli.display.nothing')
 		end
 	end
 
@@ -163,24 +172,24 @@ class Cli
 			if result.length > 0
 				self.displayFormat(result)
 
-				confirm = ask("Are you sure to remove the item: #{id} ? (y/N) ")
+				confirm = ask("#{I18n.t('cli.form.delete.ask', :id => id)} (y/N) ")
 				if confirm =~ /^(y|yes|YES|Yes|Y)$/
 					force = true
 				end
 			else
-				puts "Nothing result!"
+				puts I18n.t('cli.display.nothing')
 			end
 		end
 
 		if force
 			if @m.remove(id)
 				if @m.encrypt()
-					puts "The item #{id} has been removed!"
+					puts I18n.t('cli.form.delete.valid', :id => id)
 				else
-					puts "ERROR: #{@m.error_msg}"
+					puts "#{I18n.t('cli.display.error')}: #{@m.error_msg}"
 				end
 			else
-				puts "Nothing item has been removed!"
+				puts I18n.t('cli.form.delete.not_valid')
 			end
 		end
 	end
@@ -191,7 +200,7 @@ class Cli
 		if @m.export(file)
 			puts "The export in #{file} is succesfull!"
 		else
-			puts "ERROR: #{@m.error_msg}"
+			puts "#{I18n.t('cli.display.error')}: #{@m.error_msg}"
 		end
 
 	end
@@ -208,20 +217,20 @@ class Cli
 					self.displayFormat(r)
 				end
 
-				confirm = ask("Are you sure to import this file: #{file} ? (y/N) ")
+				confirm = ask("#{I18n.t('cli.form.import.ask', :file => file)} (y/N) ")
 				if confirm =~ /^(y|yes|YES|Yes|Y)$/
 					force = true
 				end
 			else
-				puts "No data to import!"	
+				puts I18n.t('cli.form.import.not_valid')
 			end
 		end
 
 		if force
 			if @m.import(file) && @m.encrypt()
-				puts "The import is succesfull!"
+				puts I18n.t('cli.form.import.valid')
 			else
-				puts "ERROR: #{@m.error_msg}"
+				puts "#{I18n.t('cli.display.error')}: #{@m.error_msg}"
 			end
 		end
 	end
@@ -231,15 +240,15 @@ class Cli
 		group       = nil
 		last_access = Time.now.to_i
 
-		while buf = Readline.readline("<mpw> ", true)
+		while buf = Readline.readline('<mpw> ', true)
 
 			if @m.timeout_pwd < Time.now.to_i - last_access
-				passwd_confirm = ask("Password GPG: ") {|q| q.echo = false}
+				passwd_confirm = ask(I18n.t('cli.interactive.ask_password')) {|q| q.echo = false}
 
 				if @passwd.eql?(passwd_confirm)
 					last_access = Time.now.to_i
 				else
-					puts 'Bad password!'
+					puts I18n.t('cli.interactive.bad_password')
 					next
 				end
 			else
@@ -293,11 +302,11 @@ class Cli
 				puts '#	exit'
 				puts '#	q'
 			when 'quit', 'exit', 'q'
-				puts 'Goodbye!'
+				puts I18n.t('cli.interactive.goodbye')
 				break
 			else
 				if !command[0].nil? && !command[0].empty?
-					puts 'Unknow command!'
+					puts I18n.t('cli.interactive.unknown_command')
 				end
 			end
 
diff --git a/lib/MPW.rb b/lib/MPW.rb
index a301250..43b3ac9 100644
--- a/lib/MPW.rb
+++ b/lib/MPW.rb
@@ -7,6 +7,7 @@ require 'rubygems'
 require 'gpgme'
 require 'csv'
 require 'yaml'
+require 'i18n'
 
 class MPW
 	
@@ -31,14 +32,15 @@ class MPW
 
 	# Create a new config file
 	# @args: key -> the gpg key to encrypt
+	#        lang -> the software language
 	#        file_gpg -> the file who is encrypted
 	#        file_pwd -> the file who stock the password
 	#        timeout_pwd -> time to save the password 
 	# @rtrn: true if le config file is create
-	def setup(key, file_gpg, timeout_pwd)
+	def setup(key, lang, file_gpg, timeout_pwd)
 
 		if not key =~ /[a-zA-Z0-9.-_]+\@[a-zA-Z0-9]+\.[a-zA-Z]+/
-			@error_msg = "The key string isn't in good format!"
+			@error_msg = I18n.t('error.config.key_bad_format')
 			return false
 		end
 		
@@ -49,6 +51,7 @@ class MPW
 		timeout_pwd.empty? ? (timeout_pwd = 60) : (timeout_pwd = timeout_pwd.to_i)
 
 		config = {'config' => {'key'         => key,
+		                       'lang'        => lang,
 		                       'file_gpg'    => file_gpg,
 		                       'timeout_pwd' => timeout_pwd}}
 
@@ -57,7 +60,7 @@ class MPW
 				file << config.to_yaml
 			end
 		rescue Exception => e 
-			@error_msg = "Can't write the config file!\n#{e}"
+			@error_msg = "#{I18n.t('error.config.write')}\n#{e}"
 			return false
 		end
 
@@ -70,16 +73,25 @@ class MPW
 		begin
 			config = YAML::load_file(@file_config)
 			@key         = config['config']['key']
+			@lang        = config['config']['lang']
 			@file_gpg    = config['config']['file_gpg']
 			@timeout_pwd = config['config']['timeout_pwd'].to_i
 
 			if @key.empty? || @file_gpg.empty? 
-				@error_msg = "Checkconfig failed!"
+				@error_msg = I18n.t('error.config.check')
 				return false
 			end
+	
+			if !@lang.nil? && !@lang.empty?
+				if !File.exist?("#{APP_ROOT}/i18n/#{@lang}.yml")
+					language= 'en_US'
+				end
+				I18n.load_path = Dir["#{APP_ROOT}/i18n/#{@lang}.yml"]
+				I18n.locale = @lang.to_sym
+			end
 
 		rescue Exception => e 
-			@error_msg = "Checkconfig failed!\n#{e}"
+			@error_msg = "#{I18n.t('error.config.check')}\n#{e}"
 			return false
 		end
 
@@ -110,7 +122,7 @@ class MPW
 				File.delete(@file_pwd)
 			end
 			
-			@error_msg = "Can't decrypt file!\n#{e}"
+			@error_msg = "#{I18n.t('error.gpg_file.decrypt')}\n#{e}"
 			return false
 		end
 	end
@@ -133,7 +145,7 @@ class MPW
 
 			return true
 		rescue Exception => e 
-			@error_msg = "Can't encrypt the GPG file!\n#{e}"
+			@error_msg = "#{I18n.t('error.gpg_file.encrypt')}\n#{e}"
 			return false
 		end
 	end
@@ -191,7 +203,7 @@ class MPW
 		row = Array.new()
 		
 		if name.nil? || name.empty?
-			@error_msg = "You must define a name!"
+			@error_msg = I18n.t('error.add.name_empty')
 			return false
 		end
 		
@@ -257,7 +269,7 @@ class MPW
 
 			return true
 		else
-			@error_msg = "Can't update the item, the item #{id} doesn't exist!"
+			@error_msg = I18n.t('error.update.id_no_exist', :id => id)
 			return false
 		end
 	end
@@ -269,7 +281,7 @@ class MPW
 		if not @data.delete_at(id.to_i).nil?
 			return true
 		else
-			@error_msg = "Can't delete the item, the item #{id} doesn't exist!"
+			@error_msg = I18n.t('error.delete.id_no_exist', :id => id)
 			return false
 		end
 	end
@@ -288,7 +300,7 @@ class MPW
 
 			return true
 		rescue Exception => e 
-			@error_msg = "Can't export, impossible to write in #{file}!\n#{e}"
+			@error_msg = "#{I18n.t('error.export.write', :file => file)}\n#{e}"
 			return false
 		end
 	end
@@ -301,7 +313,7 @@ class MPW
 			data_new = IO.read(file)
 			data_new.lines do |line|
 				if not line =~ /(.*,){6}/
-					@error_msg = "Can't import, the file is bad format!"
+					@error_msg = I18n.t('error.import.bad_format')
 					return false
 				else
 					row = line.parse_csv.unshift(0)
@@ -313,7 +325,7 @@ class MPW
 
 			return true
 		rescue Exception => e 
-			@error_msg = "Can't import, impossible to read  #{file}!\n#{e}"
+			@error_msg = "#{I18n.t('error.import.read', :file => file)}\n#{e}"
 			return false
 		end
 	end
@@ -329,7 +341,7 @@ class MPW
 			data = IO.read(file)
 			data.lines do |line|
 				if not line =~ /(.*,){6}/
-					@error_msg = "Can't import, the file is bad format!"
+					@error_msg = I18n.t('error.import.bad_format')
 					return false
 				else
 					result.push(line.parse_csv.unshift(id))
@@ -340,7 +352,7 @@ class MPW
 
 			return result
 		rescue Exception => e 
-			@error_msg = "Can't import, impossible to read  #{file}!\n#{e}"
+			@error_msg = "#{I18n.t('error.import.read', :file => file)}\n#{e}"
 			return false
 		end
 	end
diff --git a/mpw b/mpw
index 597b3b7..dff953c 100755
--- a/mpw
+++ b/mpw
@@ -6,10 +6,21 @@
 require 'rubygems'
 require 'optparse'
 require 'pathname'
+require 'locale'
+require 'i18n'
 
 APP_ROOT = File.dirname(Pathname.new(__FILE__).realpath)
 require "#{APP_ROOT}/lib/Cli.rb"
 
+
+lang = Locale::Tag.parse(ENV['LANG']).to_simple.to_s
+
+if !File.exist?("#{APP_ROOT}/i18n/#{lang}.yml")
+	lang = 'en_US'
+end
+I18n.load_path = Dir["#{APP_ROOT}/i18n/#{lang}.yml"]
+I18n.locale = lang.to_sym
+
 options = {}
 options[:force]  = false
 options[:format] = false
@@ -74,7 +85,7 @@ OptionParser.new do |opts|
 end.parse!
 
 
-cli = Cli.new()
+cli = Cli.new(lang)
 
 # Display the item's informations
 if not options[:setup].nil?