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Ruby; Exported Tatsuhiko Miyagawa Sapporo RubyKaigi 2012 Sunday, September 30, 12

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About Me • Tatsuhiko Miyagawa • @miyagawa • San Francisco, CA • COOKPAD Inc. US Sunday, September 30, 12

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Sunday, September 30, 12

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http://www.flickr.com/photos/ya-ko/5086710287/in/set-72157625177557742 Sunday, September 30, 12

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Cross Language Pollination Sunday, September 30, 12

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Perl's influence in Ruby Sunday, September 30, 12

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Ruby Heritage from Perl Sunday, September 30, 12

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http://edward.oconnor.cx/2006/03/ruby-is-perl-done-right Sunday, September 30, 12

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http://edward.oconnor.cx/2006/03/ruby-is-perl-done-right Sunday, September 30, 12

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ARGF Sunday, September 30, 12

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%q %Q Sunday, September 30, 12

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`` Sunday, September 30, 12

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>  `date`   #  =>  "Sat  Sep  15  09:20:07  JST  2012\n" >  %x{echo  oops  &&  exit  99} #  =>  "echo\n" >  $?.exitstatus #  =>  99 Sunday, September 30, 12

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$!  $@  $;  $,  $/  $\ $.  $_  $>  $<  $$  $? $~  $=  $*  $&  $`  $' Sunday, September 30, 12

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Mostly, things you don't like :p Sunday, September 30, 12

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"Perl's special variables are one of the biggest mistake I made in Ruby." Sunday, September 30, 12

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http://blog.nicksieger.com/articles/2007/10/06/obscure-and-ugly-perlisms-in-ruby Sunday, September 30, 12

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Gems Sunday, September 30, 12

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Ruby's influences in other languages (Perl) Sunday, September 30, 12

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Full-stack Web frameworks Sunday, September 30, 12

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micro web frameworks Sunday, September 30, 12

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DSL Sunday, September 30, 12

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Perl Modules for Ruby Sunday, September 30, 12

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My Cases Sunday, September 30, 12

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Plack / PSGI Sunday, September 30, 12

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#  WSGI def  hello(environ,  start_response):    start_response(“200  OK”,  [        (‘Content-­‐Type’,  ‘text/plain’)    ])    return  [“Hello  World”] Sunday, September 30, 12

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#  Rack app  =  -­‐>(env)  {    return  [          200,          {  'Content-­‐Type'  =>  'text/plain'  },            [  'Hello  World'  ]    ] } Sunday, September 30, 12

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#  PSGI my  $app  =  sub  {    my  $env  =  shift;    return  [          200,        [  'Content-­‐Type',  'text/plain'  ],        [  'Hello  World'  ]    ]; }; Sunday, September 30, 12

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It's been a huge success. Sunday, September 30, 12

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CGI::Application Apache IIS lighttpd CGI.pm CGI fastcgi mod_perl Jifty Mason Catalyst Mason::CGIHandler Catalyst::Engine nginx HTTP::Server ::Simple Sunday, September 30, 12

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PSGI Plack::Middleware Catalyst CGI::App Jifty Dancer Apache lighttpd HTTP::Server::PSGI Perlbal mod_psgi Plack::Handler::* (CGI, FCGI, Apache) Starman Twiggy uWSGI Corona Feersum Mojolicious Sunday, September 30, 12

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We chose Rack (over WSGI) to copy from: It's newer and simpler. Sunday, September 30, 12

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Plack Sunday, September 30, 12

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Inspired by: Rack, Werkzeug Sunday, September 30, 12

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WSGI: Dec 2003 Rack: Aug 2009 (0.9) Sunday, September 30, 12

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“The nicest thing about being late is that there are plenty of things left to steal.” Sunday, September 30, 12

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Better late than never Sunday, September 30, 12

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Better late than too early :) Sunday, September 30, 12

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Cross-language Pollination Sunday, September 30, 12

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http://bulknews.typepad.com/blog/2009/10/psgiplack-streaming-is-now-complete.html Sunday, September 30, 12

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rubygems Sunday, September 30, 12

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rubygems quiet and intuitive. Sunday, September 30, 12

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Carton Sunday, September 30, 12

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Like Bundler Sunday, September 30, 12

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Starman PSGI HTTP Server Sunday, September 30, 12

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http://tomayko.com/writings/unicorn-is-unix Sunday, September 30, 12

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Name Sunday, September 30, 12

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"Naming is Important." Sunday, September 30, 12

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CPAN traditionally prefers long names Sunday, September 30, 12

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Too many ::’s! Hard to type nor say. People tend to shorten the names. e.g. MXMARMR (MooseX::MetaAttribute::Role::Meta::Role) Sunday, September 30, 12

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Perl • HTTP::Server::Simple • JSON::XS • Devel::StackTrace • Net::OAuth::Lite • Text::CSV_XS Sunday, September 30, 12

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Python • python-json • pyoauth2 • pygeoip • PyYAML • Numpy Sunday, September 30, 12

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Ruby • Yajl • Psych • unicorn • thin • puma • doorkeeper • kaminari • paperclip • resque • pry • factory_girl • capybara Sunday, September 30, 12

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Perl Descriptive, boring, ::Simple Python Descriptive, confusing, py*, *.py Ruby Fancy, creative, chaotic Sunday, September 30, 12

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except Frameworks. Django, bottle, Catalyst, Dancer, Mojolicious, Rails, Sinatra Sunday, September 30, 12

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People tend to love software with names. (citation needed) Sunday, September 30, 12

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Starman Starlet Twiggy Markapl Corona Pinto Xslate Carton Confusing for a bit, but it feels more "real". Sunday, September 30, 12

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How it's received: Sunday, September 30, 12

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Telling Perl developers "Ruby is awesome" makes them defensive. Sunday, September 30, 12

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Shipping awesome code inspired by Ruby makes them appreciative Sunday, September 30, 12

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(We Code) Sunday, September 30, 12

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Starman Starlet Twiggy Plack::Handler::FCGI mod_perl 2 HTTP::Server::PSGI H::S::Simple::PSGI CGI Feersum uWSGI mod_perl 1.3 0 15 30 45 60 Sunday, September 30, 12

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http://www.bofh.org.uk/2010/03/10/falling-out-of-love-with-a-language Sunday, September 30, 12

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Quite contrary! Sunday, September 30, 12

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Wrap up Sunday, September 30, 12

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Perl respects Ruby Sunday, September 30, 12

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http://www.artima.com/intv/ruby3.html Sunday, September 30, 12

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http://yapcasia.org/2012/talk/show/bcdf8c9e-da9d-11e1-a79e-0d4e6aeab6a4 Sunday, September 30, 12

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Thank you. Sunday, September 30, 12