i35s
internationalization in ruby on rails
2007-08-11
Tatsuhiro Ujihisa
Ruby/Rails Kansai Workshop #18

Tatsuhiro Ujihisa
•
Osaka Univ. graduate student
• love Haskell, Ruby, and
other functional languages...
• love Mac, vim, KeyNote,
and cats

Tatsuhiro Ujihisa
• blog: rubyneko
Osaka Univ. graduate student
His
• love Haskell, Ruby, and
http://ujihisa.nowa.jp/
other functional languages...
• love Mac, vim, KeyNote,
and cats

Tatsuhiro Ujihisa
• blog: rubyneko
Osaka Univ. graduate student
His
• love Haskell, Ruby, and
http://ujihisa.nowa.jp/
other functional languages...
• love Mac, vim, KeyNote,
exponent of the word: MDD
and cats
(Mascot Driven Development)

s
35
i

zation
ionali
ternat
In
n Rails
uby o
in R
including \\s+

•
at Osaka International
University
•
at Ruby/Rails Kansai
Workshop#18

•
at Osaka International
University
•
at Ruby/Rails Kansai
Workshop#18
i18n

uda.la

i35s do

Backgrounds...

prevalent languages
1 Chinese 1.3 billion
2 Arabic 420 million
3 Hindi 366 million
4 English 341 million
... ... ...
Japanese
9 125 million
source: wikipedia

• Most Japanese start learning
English at Junior High School
➡88% Japanese <- [En, Jp]
➡EnglishPeople.count #=> 451

• 451 / 125.0 #=> 3.608
• if Japanese -> English
then YourWebService.profit
#=> 3.6 times upper
end

Your worktime

Your worktime
8h

Your worktime
2.2h
8h

Your worktime
2.2h
8h

Set your default language,
English!

That's all.
Thank you!

• Your app must support
both English and Chinese
• One app, has_many langs
‣Hindi, etc...
eg. English, Chinese, Arabian,

Ruby-GetText-Package

Ruby-GetText-Package
• phrase/keyword replacement
• author: Masao Mutoh
• install:
sudo gem install gettext
• current ver. 1.10.0

Ruby-GetText-Package
• phrase/keyword replacement
• author: Masao Mutoh
• install: now!
sudo gem install gettext
• current ver. 1.10.0

• the basis of using
Ruby-Ge Te on Rails
t xt-Package
• applied usage ->
http://www.yotabanana.com/hiki/
ja/ruby-gettext-howto-ror.html
sudo gem install gettext

README
Ruby-GetText-Package is a
Localization(L10n) library
and tools which modeled after
GNU gettext package.
This library provides to translate original messages to
localized messages properly using client-side locale information
(environment variable or CGI variable).

On Rails
1. vim config/environment.rb
2. vim app/controllers/application.rb messy...
3. vim Rakefile
4. rake updatepo
5. (make po files from pot)
6. rake makemo

application

pot file
application

pot file
application
po files
ja
de
pl

pot file
application
po files
ja
de
pl
mo file

demonstration
Mac OSX, zsh, vim, Shiira, rails-1.2.3.6653

checkpoints

checkpoints
• vim config/environment.rb
• vim app/controllers/application.rb
• vim Rakefile
• rake updatepo
• (make po files from pot)
• rake makemo

for edger
require 'gettext/rails'
module GetText
module ErbParser
@config = {
:extnames => ['.rhtml', '.erb']
}
end
config/environment.rb
end

weak points
✴ Bad Knowhow
✴ _('foo')

weak points
• lefty:
write \"gettext\" now!
rgettext ;-(

applied theme
• singulars/plurals
• % notation
• setting locale
• edit po files on the web (Pootle)

That's all.
Thank you!

P.S.

On Lisp party #1
• Paul Graham
• 2007-08-19
• welcome!
http://cotocoto.jp/event/1697

On Lisp party #1
• Paul Graham
• 2007-08-19
• welcome!
entry now!
http://cotocoto.jp/event/1697

Language Dev Camp
• make your lang!
• 2007-09-**
http://wiki.fdiary.net/ldev/

http://stack.nayutaya.jp/
Stack Stock Books

• Nayutaya
• for your happy
stacked books life!
http://stack.nayutaya.jp/
Stack Stock Books

• Nayutaya
• for your happy
stacked books life!
http://stack.nayutaya.jp/
Stack Stock Books

end

references
• http://ja.wikipedia.org/wiki/%E8%A8%80%E8%AA%9E
• http://geekphilosopher.com/MainPage/photos.htm
• http://commons.wikimedia.org/wiki/Main_Page