{"id":4925,"date":"2015-01-07T09:29:27","date_gmt":"2015-01-07T00:29:27","guid":{"rendered":"http:\/\/www.vincentina.net\/?p=4925"},"modified":"2021-12-23T00:16:41","modified_gmt":"2021-12-22T15:16:41","slug":"ruby-%e3%81%ae%e5%8b%89%e5%bc%b7%e3%82%92%e5%88%9d%e3%82%81%e3%81%a6%e6%b0%97%e3%81%ab%e3%81%aa%e3%81%a3%e3%81%9f%e3%81%a8%e3%81%93-%e3%83%91%e3%83%bc%e3%83%881","status":"publish","type":"post","link":"https:\/\/www.vincentina.net\/?p=4925","title":{"rendered":"Ruby \u306e\u52c9\u5f37\u3092\u521d\u3081\u3066\u6c17\u306b\u306a\u3063\u305f\u3068\u3053\u308d\u3092\u3042\u308c\u3053\u308c 1"},"content":{"rendered":"

Ruby\u306e\u52c9\u5f37\u3092\u521d\u3081\u3066\u304b\u3089\u3001\u305f\u3060\u3044\u307e\u30d1\u30fc\u30d5\u30a7\u30af\u30c8Ruby\u3068\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9eRuby\u3068\u3044\u3046\u66f8\u7c4d\u3092\u4e26\u884c\u3057\u3066\u9032\u3081\u3066\u3044\u3063\u3066\u307e\u3059\u3002\u3053\u306e2\u518a\u306f\u9032\u884c\u304c\u968f\u5206\u3068\u9055\u3046\u306e\u3067\u3059\u304c\u3001\u3053\u306e2\u518a\u3092\u540c\u6642\u306b\u9032\u3081\u3066\u307f\u3066\u6c17\u306b\u306a\u3063\u305f\u3068\u3053\u3084\u3089\u3092\u3042\u308c\u3053\u308c\u30c4\u30e9\u30c4\u30e9\u3068\u66f8\u3044\u3066\u307f\u307e\u3059\u3002\u3053\u306e\u9032\u3081\u65b9\u3082\u306a\u304b\u306a\u304b\u9762\u767d\u3044\u3067\u3059\u3002\u30ab\u30cb\u30d0\u30b5\u30df\u52c9\u5f37\u6cd5\u3002<\/p>\n

\u30fb\u6570\u5024\u3058\u3083\u306a\u3044\uff1f<\/h3>\n

to_i \u3067\u6570\u5024\u5316\u3057\u306a\u3044\u3068\u3001\u6570\u5024\u3092\u5165\u308c\u3088\u3046\u304c\u3001zero? \u305d\u3093\u306a\u30e1\u30bd\u30c3\u30c9\u77e5\u3089\u3093\u3068\u8a00\u308f\u308c\u308b\u3002<\/span><\/p>\n

\r\n#!\/home\/takeken\/.rbenv\/shims\/ruby\r\n# coding: utf-8\r\n\r\nn = ARGV[0].to_i\r\n\r\nif n.zero?\r\nputs '\uff10\u3067\u3057\u305f'\r\nelsif n.even?\r\nputs '\u5076\u6570\u3067\u3059'\r\nelsif n.odd?\r\nputs '\u5947\u6570\u3067\u3059'\r\nend\r\n<\/pre>\n
\u7406\u7531\u306f\u3053\u308c\uff08\u3068\u601d\u3046\uff09<\/p>\n
irb(main):001:0> ARGV[0].class\r\n=> NilClass\r\nirb(main):002:0> 1.class\r\n=> Fixnum\r\nirb(main):003:0> ARGV[0].to_i.class\r\n=> Fixnum<\/pre>\n
 <\/p>\n
\u30fb\u3053\u3093\u306a\u611f\u3058\u3067\u3082\u30a6\u30b4\u30af<\/h3>\n
\u4f55\u3068\u306a\u304f\u3001\u3053\u308c\u3067\u52d5\u304f\u3093\u3060\u3063\u3066\u601d\u3063\u305f\u306e\u3067\u767b\u9332\u3002
\n\u307e\u3060\u307e\u3060\u6163\u308c\u3066\u306a\u3044\u611f\u3058\u304c\u3042\u308a\u3042\u308a\u3002
\n\u4e45\u3057\u3076\u308a\u306bPython\u3092\u898b\u3066\u3001\u9589\u3058\u306a\u3044\u3093\u3060\uff01\u3063\u3066\u601d\u3046\u304f\u3089\u3044\u99b4\u67d3\u3093\u3067\u306a\u3044\u3002<\/p>\n
#!\/home\/takeken\/.rbenv\/shims\/ruby\r\n# coding: utf-8\r\n\r\nclass Hoge\r\n\u00a0def moge\r\n\u00a0 yoge = 'roge'\r\n\r\n\u00a0\u00a0 \u00a0case yoge\r\n\u00a0\u00a0 \u00a0 when 'roge' then\r\n\u00a0\u00a0 \u00a0 'Yes!'\r\n\u00a0\u00a0 \u00a0 when 'woge' then\r\n\u00a0\u00a0 \u00a0 'no'\r\n\u00a0\u00a0 \u00a0 end\r\n\u00a0end\r\nend\r\n\r\nyou = Hoge.new\r\n\r\np you.moge\r\n[takeken@localhost ~]$ ruby test.rb\r\n"Yes!"<\/pre>\n
 <\/p>\n
\u30fb\u30ed\u30fc\u30ab\u30eb\u5909\u6570\u306e\u6271\u3044\u306fC\u8a00\u8a9e\u306e\u6642\u3068\u540c\u3058\u611f\u3058\u3060\u3051\u308c\u3069<\/h3>\n
\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u5ba3\u8a00\u3068\u304b\u306a\u304f\u3066\u30af\u30e9\u30b9\u306f\u30e9\u30a4\u30d6\u30e9\u30ea\u3067\u307e\u3068\u3081\u3066require\u3059\u308b\u306e\u304cRuby\u2026\u3000\u3068\u601d\u3046\u3002
\n\u3067\u3082Ruby\u3092\u3084\u308a\u3060\u3057\u3066Jquery\u304c\u307e\u3060\u898b\u308c\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u3002<\/p>\n
[takeken@localhost ~]$ ruby test.rb\r\na\r\nAlice\r\nBob\r\nCarol\r\n"Carol"\r\n""\r\n\r\n[takeken@localhost ~]$ cat test.rb\r\n#!\/home\/takeken\/.rbenv\/shims\/ruby\r\n# coding: utf-8\r\n\r\nname = ''\r\n\r\nclass Hoge\r\n\r\n\u00a0\u00a0 \u00a0def tage\r\n\r\n\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0for name in %w(a Alice Bob Carol)\r\n\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0puts name\r\n\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0end\r\n\r\n\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0p name\r\n\u00a0\u00a0 \u00a0end\r\nend\r\n\r\nhoge = Hoge.new()\r\n\r\nhoge.tage\r\n\r\np name<\/pre>\n
 <\/p>\n
\u3067\u3042\u308b\u304b\u3089\u3057\u3066\u301c\u3001\u4e0a\u3068\u4e0b\u306f\u540c\u3058\u3067\u3059\u3002
\n\u5206\u3051\u3066\u66f8\u3044\u3066\u307f\u308b\u3068\u5909\u6570\u304c\u3069\u3046\u306a\u3063\u3066\u3044\u308b\u304b\u5206\u304b\u308a\u3084\u3059\u3044\u306e\u304b\u306a\u3002<\/p>\n
[takeken@localhost ~]$ ruby test.rb\r\na\r\nAlice\r\nBob\r\nCarol\r\n"Carol"\r\n""\r\n[takeken@localhost ~]$ cat test.rb\r\n#!\/home\/takeken\/.rbenv\/shims\/ruby\r\n# coding: utf-8\r\n\r\nrequire '.\/hoge.rb'\r\n\r\nname = ''\r\n\r\nhoge = Hoge.new()\r\n\r\nhoge.tage\r\n\r\np name\r\n[takeken@localhost ~]$ cat hoge.rb\r\n#!\/home\/takeken\/.rbenv\/shims\/ruby\r\n# coding: utf-8\r\n\r\nclass Hoge\r\n\r\n\u00a0\u00a0\u00a0 def moge\r\n\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 languages = %w(Perl Python Ruby)\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a0\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 i=0 \r\n\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 while i < languages.length\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 puts "Hello, #{languages[i]}."\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 i += 1\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 end\r\n\u00a0\u00a0\u00a0 end \r\n\r\n\u00a0\u00a0\u00a0 def tage\r\n\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 for name in %w(a Alice Bob Carol)\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 puts name\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 end \r\n\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 p name\r\n\u00a0\u00a0\u00a0 end\r\nend<\/pre>\n
 <\/p>\n
\u30fbBEGIN\u306e\u6271\u3044\u3002<\/h3>\n
\u6700\u521d\u306b\u8aad\u307f\u8fbc\u3080BEGIN\u3002\u5b9f\u884c\u7d50\u679c\u3092\u898b\u3066\u307f\u308b\u3068!!\u304c\u51fa\u3066\u3044\u306a\u3044\u306e\u304c\u308f\u304b\u308b\u3002
\nBEGIN\u306b\u3044\u3063\u305f\u5f8c\u306f\u307e\u305f\u4e0a\u304b\u3089\u3060\u3063\u3066\u306e\u304c\u5206\u304b\u308a\u3084\u3059\u3044\u3068\u601d\u3063\u305f\u30b9\u30af\u30ea\u30d7\u30c8\u3002<\/p>\n
\r\n\r\n#!\/home\/takeken\/.rbenv\/shims\/ruby\r\n# coding: utf-8\r\n\r\nprint " and "\r\n\r\nEND {\r\nprint "!!\\n"\r\n}\r\n\r\nprint "World\\n"\r\n\r\nexit!\r\n\r\nBEGIN {\r\nprint "Hello"\r\n}\r\n\r\nexit!\r\n[takeken@localhost ~]$ ruby hoge.rb\r\nHello and World\r\n\r\n<\/pre>\n
 <\/p>\n
\u30fb\u3053\u3093\u306a\u306e\u3082\u3042\u308a\u3067\u30aa\u30e2\u30ed\u30a4\u3002<\/p>\n
irb(main):002:0> printf("%.10f\\n", Math.sqrt(2))\r\n1.4142135624\r\n=> nil<\/pre>\n
 <\/p>\n
\u30fb\u30a8\u30f3\u30b3\u30fc\u30c9\u306b\u3082\u8272\u3005\u3042\u308b\u3089\u3057\u3044<\/p>\n
p Encoding.default_external #\u30c7\u30d5\u30a9\u30eb\u30c8\u5916\u90e8\u30a8\u30f3\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\r\np Encoding.default_internal #\u30c7\u30d5\u30a9\u30eb\u30c8\u5185\u90e8\u30a8\u30f3\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\r\np Encoding.locale_charmap #\u73fe\u5728\u306e\u30ed\u30b1\u30fc\u30eb<\/pre>\n
 <\/p>\n
\u3068\u308a\u3042\u3048\u305a\u30d1\u30fc\u30c81\u306f\u3053\u3093\u306a\u611f\u3058\u3002<\/p>\n
\u3064\u3044\u306bMac\u30c7\u30d3\u30e5\u30fc\u3057\u305f\u30fc\u3002\u3093\u3067\u8272\u3005\u3068\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u306b\u8ffd\u3044\u3084\u3089\u308c\u3066\u3044\u3066\u6570\u65e5\u9593\u307b\u3069Ruby\u3063\u3066\u306a\u304b\u3063\u305f\u306e\u3067\u3059\u304c\u3001\u307c\u3061\u307c\u3061\u51fa\u6765\u4e0a\u304c\u308a\u306b\u8fd1\u3065\u3044\u3066\u304d\u305f\u306e\u3067\u3001Ubuntu\u306e\u74b0\u5883\u304c\u79fb\u884c\u3057\u7d42\u308f\u3063\u305f\u3089\u307e\u305fRuby\u306a\u65e5\u3005\u306b\u623b\u308b\u4e88\u5b9a\u3002\u4ed6\u306b\u3082\u904e\u53bb\u306bC\u8a00\u8a9e\u3067\u66f8\u3044\u305f\u3082\u306e\u3092Ruby\u3067\u66f8\u304d\u306a\u304a\u3057\u3066\u3082\u9762\u767d\u305d\u3046\u306a\u306e\u3060\u3051\u308c\u3069\u3001\u307c\u3061\u307c\u3061\u306b\u3057\u306a\u3044\u3068\u4eca\u5e74\u306b\u3084\u308a\u305f\u3044\u3053\u3068\u304c\u3084\u308a\u7d42\u308f\u3089\u306a\u3044\u304b\u3082\u3057\u304b\u3002<\/p>\n
        
Tweet<\/a><\/div><\/div>\n
\n","protected":false},"excerpt":{"rendered":"
Ruby\u306e\u52c9\u5f37\u3092\u521d\u3081\u3066\u304b\u3089\u3001\u305f\u3060\u3044\u307e\u30d1\u30fc\u30d5\u30a7\u30af\u30c8Ruby\u3068\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9eRuby\u3068\u3044\u3046\u66f8\u7c4d\u3092\u4e26\u884c\u3057\u3066\u9032\u3081\u3066\u3044\u3063\u3066\u307e\u3059\u3002\u3053\u306e2\u518a\u306f\u9032\u884c\u304c\u968f\u5206\u3068\u9055\u3046\u306e\u3067\u3059\u304c\u3001\u3053\u306e2\u518a\u3092\u540c\u6642\u306b\u9032\u3081\u3066\u307f\u3066\u6c17\u306b\u306a\u3063\u305f\u3068\u3053\u3084\u3089\u3092\u3042\u308c\u3053\u308c\u30c4\u30e9\u30c4\u30e9 … “Ruby \u306e\u52c9\u5f37\u3092\u521d\u3081\u3066\u6c17\u306b\u306a\u3063\u305f\u3068\u3053\u308d\u3092\u3042\u308c\u3053\u308c 1” \u306e<\/span>\u7d9a\u304d\u3092\u8aad\u3080<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[106],"tags":[],"class_list":["post-4925","post","type-post","status-publish","format-standard","hentry","category-programming"],"_links":{"self":[{"href":"https:\/\/www.vincentina.net\/index.php?rest_route=\/wp\/v2\/posts\/4925","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vincentina.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vincentina.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vincentina.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vincentina.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4925"}],"version-history":[{"count":1,"href":"https:\/\/www.vincentina.net\/index.php?rest_route=\/wp\/v2\/posts\/4925\/revisions"}],"predecessor-version":[{"id":7751,"href":"https:\/\/www.vincentina.net\/index.php?rest_route=\/wp\/v2\/posts\/4925\/revisions\/7751"}],"wp:attachment":[{"href":"https:\/\/www.vincentina.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4925"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vincentina.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4925"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vincentina.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4925"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}