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data-event-name="pinnable-header.vector-toc.pin">flytta till sidofältet</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">dölj</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Inledning</div> </a> </li> <li id="toc-Historia" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Historia"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Historia</span> </div> </a> <ul id="toc-Historia-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Egenskaper" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Egenskaper"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Egenskaper</span> </div> </a> <ul id="toc-Egenskaper-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Programexempel" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Programexempel"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Programexempel</span> </div> </a> <ul id="toc-Programexempel-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Litteratur" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Litteratur"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Litteratur</span> </div> </a> <ul id="toc-Litteratur-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Noter" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Noter"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Noter</span> </div> </a> <ul id="toc-Noter-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Externa_länkar" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Externa_länkar"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Externa länkar</span> </div> </a> <button aria-controls="toc-Externa_länkar-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Växla underavsnittet Externa länkar</span> </button> <ul id="toc-Externa_länkar-sublist" class="vector-toc-list"> <li id="toc-Guider" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Guider"> <div class="vector-toc-text"> <span class="vector-toc-numb">6.1</span> <span>Guider</span> </div> </a> <ul id="toc-Guider-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Innehåll" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Växla innehållsförteckningen" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Växla innehållsförteckningen</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Ruby</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Gå till en artikel på ett annat språk. Tillgänglig på 74 språk" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-74" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">74 språk</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%B1%D9%88%D8%A8%D9%8A_(%D9%84%D8%BA%D8%A9_%D8%A8%D8%B1%D9%85%D8%AC%D8%A9)" title="روبي (لغة برمجة) – arabiska" lang="ar" hreflang="ar" data-title="روبي (لغة برمجة)" data-language-autonym="العربية" data-language-local-name="arabiska" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-an mw-list-item"><a href="https://an.wikipedia.org/wiki/Luengache_de_programaci%C3%B3n_Ruby" title="Luengache de programación Ruby – aragonesiska" lang="an" hreflang="an" data-title="Luengache de programación Ruby" data-language-autonym="Aragonés" data-language-local-name="aragonesiska" class="interlanguage-link-target"><span>Aragonés</span></a></li><li class="interlanguage-link interwiki-ast mw-list-item"><a href="https://ast.wikipedia.org/wiki/Ruby" title="Ruby – asturiska" lang="ast" hreflang="ast" data-title="Ruby" data-language-autonym="Asturianu" data-language-local-name="asturiska" class="interlanguage-link-target"><span>Asturianu</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/Ruby" title="Ruby – azerbajdzjanska" lang="az" hreflang="az" data-title="Ruby" data-language-autonym="Azərbaycanca" data-language-local-name="azerbajdzjanska" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%D8%B1%D9%88%D8%A8%DB%8C" title="روبی – South Azerbaijani" lang="azb" hreflang="azb" data-title="روبی" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-bn mw-list-item"><a href="https://bn.wikipedia.org/wiki/%E0%A6%B0%E0%A7%81%E0%A6%AC%E0%A6%BF_(%E0%A6%AA%E0%A7%8D%E0%A6%B0%E0%A7%8B%E0%A6%97%E0%A7%8D%E0%A6%B0%E0%A6%BE%E0%A6%AE%E0%A6%BF%E0%A6%82_%E0%A6%AD%E0%A6%BE%E0%A6%B7%E0%A6%BE)" title="রুবি (প্রোগ্রামিং ভাষা) – bengali" lang="bn" hreflang="bn" data-title="রুবি (প্রোগ্রামিং ভাষা)" data-language-autonym="বাংলা" data-language-local-name="bengali" class="interlanguage-link-target"><span>বাংলা</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/Ruby" title="Ruby – belarusiska" lang="be" hreflang="be" data-title="Ruby" data-language-autonym="Беларуская" data-language-local-name="belarusiska" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/Ruby" title="Ruby – bulgariska" lang="bg" hreflang="bg" data-title="Ruby" data-language-autonym="Български" data-language-local-name="bulgariska" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Ruby_(programski_jezik)" title="Ruby (programski jezik) – bosniska" lang="bs" hreflang="bs" data-title="Ruby (programski jezik)" data-language-autonym="Bosanski" data-language-local-name="bosniska" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Ruby" title="Ruby – katalanska" lang="ca" hreflang="ca" data-title="Ruby" data-language-autonym="Català" data-language-local-name="katalanska" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Ruby" title="Ruby – tjeckiska" lang="cs" hreflang="cs" data-title="Ruby" data-language-autonym="Čeština" data-language-local-name="tjeckiska" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Ruby_(programmeringssprog)" title="Ruby (programmeringssprog) – danska" lang="da" hreflang="da" data-title="Ruby (programmeringssprog)" data-language-autonym="Dansk" data-language-local-name="danska" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Ruby_(Programmiersprache)" title="Ruby (Programmiersprache) – tyska" lang="de" hreflang="de" data-title="Ruby (Programmiersprache)" data-language-autonym="Deutsch" data-language-local-name="tyska" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Ruby_(programmeerimiskeel)" title="Ruby (programmeerimiskeel) – estniska" lang="et" hreflang="et" data-title="Ruby (programmeerimiskeel)" data-language-autonym="Eesti" data-language-local-name="estniska" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/Ruby" title="Ruby – grekiska" lang="el" hreflang="el" data-title="Ruby" data-language-autonym="Ελληνικά" data-language-local-name="grekiska" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Ruby_(programming_language)" title="Ruby (programming language) – engelska" lang="en" hreflang="en" data-title="Ruby (programming language)" data-language-autonym="English" data-language-local-name="engelska" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Ruby" title="Ruby – spanska" lang="es" hreflang="es" data-title="Ruby" data-language-autonym="Español" data-language-local-name="spanska" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Ruby_(programlingvo)" title="Ruby (programlingvo) – esperanto" lang="eo" hreflang="eo" data-title="Ruby (programlingvo)" data-language-autonym="Esperanto" data-language-local-name="esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Ruby" title="Ruby – baskiska" lang="eu" hreflang="eu" data-title="Ruby" data-language-autonym="Euskara" data-language-local-name="baskiska" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%B1%D9%88%D8%A8%DB%8C_(%D8%B2%D8%A8%D8%A7%D9%86_%D8%A8%D8%B1%D9%86%D8%A7%D9%85%D9%87%E2%80%8C%D9%86%D9%88%DB%8C%D8%B3%DB%8C)" title="روبی (زبان برنامه‌نویسی) – persiska" lang="fa" hreflang="fa" data-title="روبی (زبان برنامه‌نویسی)" data-language-autonym="فارسی" data-language-local-name="persiska" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Ruby" title="Ruby – franska" lang="fr" hreflang="fr" data-title="Ruby" data-language-autonym="Français" data-language-local-name="franska" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Ruby" title="Ruby – galiciska" lang="gl" hreflang="gl" data-title="Ruby" data-language-autonym="Galego" data-language-local-name="galiciska" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%A3%A8%EB%B9%84_(%ED%94%84%EB%A1%9C%EA%B7%B8%EB%9E%98%EB%B0%8D_%EC%96%B8%EC%96%B4)" title="루비 (프로그래밍 언어) – koreanska" lang="ko" hreflang="ko" data-title="루비 (프로그래밍 언어)" data-language-autonym="한국어" data-language-local-name="koreanska" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ha mw-list-item"><a href="https://ha.wikipedia.org/wiki/Ruby_(programming_language)" title="Ruby (programming language) – hausa" lang="ha" hreflang="ha" data-title="Ruby (programming language)" data-language-autonym="Hausa" data-language-local-name="hausa" class="interlanguage-link-target"><span>Hausa</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/Ruby_(%D5%AE%D6%80%D5%A1%D5%A3%D6%80%D5%A1%D5%BE%D5%B8%D6%80%D5%B4%D5%A1%D5%B6_%D5%AC%D5%A5%D5%A6%D5%B8%D6%82)" title="Ruby (ծրագրավորման լեզու) – armeniska" lang="hy" hreflang="hy" data-title="Ruby (ծրագրավորման լեզու)" data-language-autonym="Հայերեն" data-language-local-name="armeniska" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Ruby_(programski_jezik)" title="Ruby (programski jezik) – kroatiska" lang="hr" hreflang="hr" data-title="Ruby (programski jezik)" data-language-autonym="Hrvatski" data-language-local-name="kroatiska" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/Ruby_(programifo-linguo)" title="Ruby (programifo-linguo) – ido" lang="io" hreflang="io" data-title="Ruby (programifo-linguo)" data-language-autonym="Ido" data-language-local-name="ido" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Ruby_(bahasa_pemrograman)" title="Ruby (bahasa pemrograman) – indonesiska" lang="id" hreflang="id" data-title="Ruby (bahasa pemrograman)" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesiska" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-ia mw-list-item"><a href="https://ia.wikipedia.org/wiki/Ruby_(linguage_de_programmation)" title="Ruby (linguage de programmation) – interlingua" lang="ia" hreflang="ia" data-title="Ruby (linguage de programmation)" data-language-autonym="Interlingua" data-language-local-name="interlingua" class="interlanguage-link-target"><span>Interlingua</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Ruby_(linguaggio_di_programmazione)" title="Ruby (linguaggio di programmazione) – italienska" lang="it" hreflang="it" data-title="Ruby (linguaggio di programmazione)" data-language-autonym="Italiano" data-language-local-name="italienska" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/Ruby" title="Ruby – hebreiska" lang="he" hreflang="he" data-title="Ruby" data-language-autonym="עברית" data-language-local-name="hebreiska" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-ka mw-list-item"><a href="https://ka.wikipedia.org/wiki/%E1%83%A0%E1%83%A3%E1%83%91%E1%83%98" title="რუბი – georgiska" lang="ka" hreflang="ka" data-title="რუბი" data-language-autonym="ქართული" data-language-local-name="georgiska" class="interlanguage-link-target"><span>ქართული</span></a></li><li class="interlanguage-link interwiki-sw mw-list-item"><a href="https://sw.wikipedia.org/wiki/Ruby" title="Ruby – swahili" lang="sw" hreflang="sw" data-title="Ruby" data-language-autonym="Kiswahili" data-language-local-name="swahili" class="interlanguage-link-target"><span>Kiswahili</span></a></li><li class="interlanguage-link interwiki-ky mw-list-item"><a href="https://ky.wikipedia.org/wiki/Ruby" title="Ruby – kirgiziska" lang="ky" hreflang="ky" data-title="Ruby" data-language-autonym="Кыргызча" data-language-local-name="kirgiziska" class="interlanguage-link-target"><span>Кыргызча</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Ruby" title="Ruby – lettiska" lang="lv" hreflang="lv" data-title="Ruby" data-language-autonym="Latviešu" data-language-local-name="lettiska" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Ruby" title="Ruby – litauiska" lang="lt" hreflang="lt" data-title="Ruby" data-language-autonym="Lietuvių" data-language-local-name="litauiska" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/Ruby" title="Ruby – lombardiska" lang="lmo" hreflang="lmo" data-title="Ruby" data-language-autonym="Lombard" data-language-local-name="lombardiska" class="interlanguage-link-target"><span>Lombard</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Ruby_(programoz%C3%A1si_nyelv)" title="Ruby (programozási nyelv) – ungerska" lang="hu" hreflang="hu" data-title="Ruby (programozási nyelv)" data-language-autonym="Magyar" data-language-local-name="ungerska" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%B1%E0%B5%82%E0%B4%AC%E0%B4%BF_(%E0%B4%AA%E0%B5%8D%E0%B4%B0%E0%B5%8B%E0%B4%97%E0%B5%8D%E0%B4%B0%E0%B4%BE%E0%B4%AE%E0%B4%BF%E0%B4%99%E0%B5%8D_%E0%B4%AD%E0%B4%BE%E0%B4%B7)" title="റൂബി (പ്രോഗ്രാമിങ് ഭാഷ) – malayalam" lang="ml" hreflang="ml" data-title="റൂബി (പ്രോഗ്രാമിങ് ഭാഷ)" data-language-autonym="മലയാളം" data-language-local-name="malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-mr mw-list-item"><a href="https://mr.wikipedia.org/wiki/%E0%A4%B0%E0%A5%81%E0%A4%AC%E0%A5%80" title="रुबी – marathi" lang="mr" hreflang="mr" data-title="रुबी" data-language-autonym="मराठी" data-language-local-name="marathi" class="interlanguage-link-target"><span>मराठी</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Ruby" title="Ruby – malajiska" lang="ms" hreflang="ms" data-title="Ruby" data-language-autonym="Bahasa Melayu" data-language-local-name="malajiska" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-my mw-list-item"><a href="https://my.wikipedia.org/wiki/Ruby_(programming_language)" title="Ruby (programming language) – burmesiska" lang="my" hreflang="my" data-title="Ruby (programming language)" data-language-autonym="မြန်မာဘာသာ" data-language-local-name="burmesiska" class="interlanguage-link-target"><span>မြန်မာဘာသာ</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Ruby_(programmeertaal)" title="Ruby (programmeertaal) – nederländska" lang="nl" hreflang="nl" data-title="Ruby (programmeertaal)" data-language-autonym="Nederlands" data-language-local-name="nederländska" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/Ruby" title="Ruby – japanska" lang="ja" hreflang="ja" data-title="Ruby" data-language-autonym="日本語" data-language-local-name="japanska" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Ruby" title="Ruby – norskt bokmål" lang="nb" hreflang="nb" data-title="Ruby" data-language-autonym="Norsk bokmål" data-language-local-name="norskt bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Ruby" title="Ruby – nynorska" lang="nn" hreflang="nn" data-title="Ruby" data-language-autonym="Norsk nynorsk" data-language-local-name="nynorska" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-or mw-list-item"><a href="https://or.wikipedia.org/wiki/%E0%AC%B0%E0%AD%81%E0%AC%AC%E0%AD%80_(%E0%AC%AA%E0%AD%8D%E0%AC%B0%E0%AD%8B%E0%AC%97%E0%AD%8D%E0%AC%B0%E0%AC%BE%E0%AC%AE%E0%AC%BF%E0%AC%82_%E0%AC%AD%E0%AC%BE%E0%AC%B7%E0%AC%BE)" title="ରୁବୀ (ପ୍ରୋଗ୍ରାମିଂ ଭାଷା) – oriya" lang="or" hreflang="or" data-title="ରୁବୀ (ପ୍ରୋଗ୍ରାମିଂ ଭାଷା)" data-language-autonym="ଓଡ଼ିଆ" data-language-local-name="oriya" class="interlanguage-link-target"><span>ଓଡ଼ିଆ</span></a></li><li class="interlanguage-link interwiki-uz mw-list-item"><a href="https://uz.wikipedia.org/wiki/Ruby" title="Ruby – uzbekiska" lang="uz" hreflang="uz" data-title="Ruby" data-language-autonym="Oʻzbekcha / ўзбекча" data-language-local-name="uzbekiska" class="interlanguage-link-target"><span>Oʻzbekcha / ўзбекча</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%B0%E0%A9%82%E0%A8%AC%E0%A9%80_(%E0%A8%AA%E0%A9%8D%E0%A8%B0%E0%A9%8B%E0%A8%97%E0%A8%B0%E0%A8%BE%E0%A8%AE%E0%A8%BF%E0%A9%B0%E0%A8%97_%E0%A8%AD%E0%A8%BE%E0%A8%B8%E0%A8%BC%E0%A8%BE)" title="ਰੂਬੀ (ਪ੍ਰੋਗਰਾਮਿੰਗ ਭਾਸ਼ਾ) – punjabi" lang="pa" hreflang="pa" data-title="ਰੂਬੀ (ਪ੍ਰੋਗਰਾਮਿੰਗ ਭਾਸ਼ਾ)" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="punjabi" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pnb mw-list-item"><a href="https://pnb.wikipedia.org/wiki/%D8%B1%D9%88%D8%A8%DB%8C_(%D9%BE%D8%B1%D9%88%DA%AF%D8%B1%D8%A7%D9%85%D9%86%DA%AF_%D8%B2%D8%A8%D8%A7%D9%86)" title="روبی (پروگرامنگ زبان) – Western Punjabi" lang="pnb" hreflang="pnb" data-title="روبی (پروگرامنگ زبان)" data-language-autonym="پنجابی" data-language-local-name="Western Punjabi" class="interlanguage-link-target"><span>پنجابی</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Ruby_(j%C4%99zyk_programowania)" title="Ruby (język programowania) – polska" lang="pl" hreflang="pl" data-title="Ruby (język programowania)" data-language-autonym="Polski" data-language-local-name="polska" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Ruby_(linguagem_de_programa%C3%A7%C3%A3o)" title="Ruby (linguagem de programação) – portugisiska" lang="pt" hreflang="pt" data-title="Ruby (linguagem de programação)" data-language-autonym="Português" data-language-local-name="portugisiska" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Ruby" title="Ruby – rumänska" lang="ro" hreflang="ro" data-title="Ruby" data-language-autonym="Română" data-language-local-name="rumänska" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/Ruby" title="Ruby – ryska" lang="ru" hreflang="ru" data-title="Ruby" data-language-autonym="Русский" data-language-local-name="ryska" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Ruby_(gjuh%C3%AB_programuese)" title="Ruby (gjuhë programuese) – albanska" lang="sq" hreflang="sq" data-title="Ruby (gjuhë programuese)" data-language-autonym="Shqip" data-language-local-name="albanska" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Ruby_(programming_language)" title="Ruby (programming language) – Simple English" lang="en-simple" hreflang="en-simple" data-title="Ruby (programming language)" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Ruby_(programovac%C3%AD_jazyk)" title="Ruby (programovací jazyk) – slovakiska" lang="sk" hreflang="sk" data-title="Ruby (programovací jazyk)" data-language-autonym="Slovenčina" data-language-local-name="slovakiska" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%DA%95%D9%88%D9%88%D8%A8%DB%8C" title="ڕووبی – centralkurdiska" lang="ckb" hreflang="ckb" data-title="ڕووبی" data-language-autonym="کوردی" data-language-local-name="centralkurdiska" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/Ruby_(%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D1%81%D0%BA%D0%B8_%D1%98%D0%B5%D0%B7%D0%B8%D0%BA)" title="Ruby (програмски језик) – serbiska" lang="sr" hreflang="sr" data-title="Ruby (програмски језик)" data-language-autonym="Српски / srpski" data-language-local-name="serbiska" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Rubi_(programski_jezik)" title="Rubi (programski jezik) – serbokroatiska" lang="sh" hreflang="sh" data-title="Rubi (programski jezik)" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbokroatiska" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Ruby" title="Ruby – finska" lang="fi" hreflang="fi" data-title="Ruby" data-language-autonym="Suomi" data-language-local-name="finska" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%B0%E0%AF%82%E0%AE%AA%E0%AE%BF_(%E0%AE%A8%E0%AE%BF%E0%AE%B0%E0%AE%B2%E0%AE%BE%E0%AE%95%E0%AF%8D%E0%AE%95_%E0%AE%AE%E0%AF%8A%E0%AE%B4%E0%AE%BF)" title="ரூபி (நிரலாக்க மொழி) – tamil" lang="ta" hreflang="ta" data-title="ரூபி (நிரலாக்க மொழி)" data-language-autonym="தமிழ்" data-language-local-name="tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-tt mw-list-item"><a href="https://tt.wikipedia.org/wiki/Ruby_(%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D0%B0_%D1%82%D3%99%D1%8D%D0%BC%D0%B8%D0%BD%D0%B0%D1%82%D1%8B%D0%BD_%D1%82%D0%B0%D1%81%D0%B2%D0%B8%D1%80%D0%BB%D0%B0%D1%83_%D1%82%D0%B5%D0%BB%D0%B5)" title="Ruby (программа тәэминатын тасвирлау теле) – tatariska" lang="tt" hreflang="tt" data-title="Ruby (программа тәэминатын тасвирлау теле)" data-language-autonym="Татарча / tatarça" data-language-local-name="tatariska" class="interlanguage-link-target"><span>Татарча / tatarça</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%B0%E0%B1%82%E0%B0%AC%E0%B0%BF_(%E0%B0%95%E0%B0%82%E0%B0%AA%E0%B1%8D%E0%B0%AF%E0%B1%82%E0%B0%9F%E0%B0%B0%E0%B1%8D_%E0%B0%AD%E0%B0%BE%E0%B0%B7)" title="రూబి (కంప్యూటర్ భాష) – telugu" lang="te" hreflang="te" data-title="రూబి (కంప్యూటర్ భాష)" data-language-autonym="తెలుగు" data-language-local-name="telugu" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B8%A0%E0%B8%B2%E0%B8%A9%E0%B8%B2%E0%B8%A3%E0%B8%B9%E0%B8%9A%E0%B8%B5" title="ภาษารูบี – thailändska" lang="th" hreflang="th" data-title="ภาษารูบี" data-language-autonym="ไทย" data-language-local-name="thailändska" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a href="https://tg.wikipedia.org/wiki/Ruby" title="Ruby – tadzjikiska" lang="tg" hreflang="tg" data-title="Ruby" data-language-autonym="Тоҷикӣ" data-language-local-name="tadzjikiska" class="interlanguage-link-target"><span>Тоҷикӣ</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Ruby" title="Ruby – turkiska" lang="tr" hreflang="tr" data-title="Ruby" data-language-autonym="Türkçe" data-language-local-name="turkiska" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/Ruby" title="Ruby – ukrainska" lang="uk" hreflang="uk" data-title="Ruby" data-language-autonym="Українська" data-language-local-name="ukrainska" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D8%B1%D9%88%D8%A8%DB%8C_(%D9%BE%D8%B1%D9%88%DA%AF%D8%B1%D8%A7%D9%85%D9%86%DA%AF_%D8%B2%D8%A8%D8%A7%D9%86)" title="روبی (پروگرامنگ زبان) – urdu" lang="ur" hreflang="ur" data-title="روبی (پروگرامنگ زبان)" data-language-autonym="اردو" data-language-local-name="urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Ruby_(ng%C3%B4n_ng%E1%BB%AF_l%E1%BA%ADp_tr%C3%ACnh)" title="Ruby (ngôn ngữ lập trình) – vietnamesiska" lang="vi" hreflang="vi" data-title="Ruby (ngôn ngữ lập trình)" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamesiska" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/Ruby" title="Ruby – wu" lang="wuu" hreflang="wuu" data-title="Ruby" data-language-autonym="吴语" data-language-local-name="wu" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/Ruby_%E7%A8%8B%E5%BC%8F%E8%AA%9E%E8%A8%80" title="Ruby 程式語言 – kantonesiska" lang="yue" hreflang="yue" data-title="Ruby 程式語言" data-language-autonym="粵語" data-language-local-name="kantonesiska" class="interlanguage-link-target"><span>粵語</span></a></li><li class="interlanguage-link interwiki-bat-smg mw-list-item"><a href="https://bat-smg.wikipedia.org/wiki/Ruby" title="Ruby – samogitiska" lang="sgs" hreflang="sgs" data-title="Ruby" data-language-autonym="Žemaitėška" data-language-local-name="samogitiska" class="interlanguage-link-target"><span>Žemaitėška</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/Ruby" title="Ruby – kinesiska" lang="zh" hreflang="zh" data-title="Ruby" data-language-autonym="中文" data-language-local-name="kinesiska" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q161053#sitelinks-wikipedia" title="Redigera interwikilänkar" class="wbc-editpage">Redigera länkar</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namnrymder"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Ruby" title="Visa innehållssidan [c]" accesskey="c"><span>Artikel</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Diskussion:Ruby" rel="discussion" title="Diskussion om innehållssidan [t]" 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1em;padding:.2em;float:right;clear:right;width:22em;text-align:left;font-size:88%;line-height:1.6em}.mw-parser-output .infobox td,.mw-parser-output .infobox th{vertical-align:top;padding:0 .2em}.mw-parser-output .infobox caption{font-size:larger}.mw-parser-output .infobox.bordered{border-collapse:collapse}.mw-parser-output .infobox.bordered td,.mw-parser-output .infobox.bordered th{border:1px solid #aaa}.mw-parser-output .infobox.bordered .borderless td,.mw-parser-output .infobox.bordered .borderless th{border:0}.mw-parser-output .infobox-showbutton button,.mw-parser-output .infobox-showbutton .mw-collapsible-text{color:inherit}.mw-parser-output .infobox.bordered .mergedtoprow td,.mw-parser-output .infobox.bordered .mergedtoprow th{border:0;border-top:1px solid #aaa;border-right:1px solid #aaa}.mw-parser-output .infobox.bordered .mergedrow td,.mw-parser-output .infobox.bordered .mergedrow th{border:0;border-right:1px solid #aaa}.mw-parser-output .infobox.geography{border:1px solid #ccd2d9;text-align:left;border-collapse:collapse;line-height:1.2em;font-size:90%}.mw-parser-output .infobox.geography td,.mw-parser-output .infobox.geography th{border-top:solid 1px #ccd2d9;padding:0.4em 0.6em 0.4em 0.6em}.mw-parser-output .infobox.geography .mergedtoprow td,.mw-parser-output .infobox.geography .mergedtoprow th{border-top:solid 1px #ccd2d9;padding:0.4em 0.6em 0.2em 0.6em}.mw-parser-output .infobox.geography .mergedrow td,.mw-parser-output .infobox.geography .mergedrow th{border:0;padding:0 0.6em 0.2em 0.6em}.mw-parser-output .infobox.geography .mergedbottomrow td,.mw-parser-output .infobox.geography .mergedbottomrow th{border-top:0;border-bottom:solid 1px #ccd2d9;padding:0 0.6em 0.4em 0.6em}.mw-parser-output .infobox.geography .maptable td,.mw-parser-output .infobox.geography .maptable th{border:0;padding:0}</style><table class="infobox" style="border-spacing:3px;"><tbody><tr><td colspan="2" class="" style="padding:2px; text-align:center; font-size: 125%; font-weight: bold;">Ruby</td></tr><tr><td colspan="2" class="" style="text-align:center;"> <span class="mw-default-size" typeof="mw:File"><a href="/wiki/Fil:Ruby-logo-R.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/0/0e/Ruby-logo-R.svg/198px-Ruby-logo-R.svg.png" decoding="async" width="198" height="244" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/0e/Ruby-logo-R.svg/297px-Ruby-logo-R.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/0e/Ruby-logo-R.svg/396px-Ruby-logo-R.svg.png 2x" data-file-width="198" data-file-height="244" /></a></span> </td></tr><tr><th style="text-align:left;"><a href="/wiki/Programmeringsparadigm" title="Programmeringsparadigm">Paradigm</a></th><td class="" style=""><a href="/wiki/Programmeringsparadigm" title="Programmeringsparadigm">multi-paradigm</a>: <a href="/wiki/Objektorienterad_programmering" title="Objektorienterad programmering">objektorienterad</a>, <a href="/wiki/Imperativ_programmering" title="Imperativ programmering">imperativ</a>, <a href="/wiki/Funktionell_programmering" title="Funktionell programmering">funktionell</a>, <a href="/w/index.php?title=Reflektiv_programmering&action=edit&redlink=1" class="new" title="Reflektiv programmering [inte skriven än]">reflektiv</a></td></tr><tr><th style="text-align:left;">Gavs ut</th><td class="" style="">1995</td></tr><tr><th style="text-align:left;">Skapat av</th><td class="" style=""><a href="/wiki/Yukihiro_Matsumoto" title="Yukihiro Matsumoto">Yukihiro Matsumoto</a></td></tr><tr><th style="text-align:left;"><a href="/wiki/Programutvecklare" class="mw-redirect" title="Programutvecklare">Utvecklare</a></th><td class="" style=""><a href="/wiki/Yukihiro_Matsumoto" title="Yukihiro Matsumoto">Yukihiro Matsumoto</a> m.fl.</td></tr><tr><th style="text-align:left;">Senaste version</th><td class="" style="">3.3.0 (2023-12-25)</td></tr><tr><th style="text-align:left;"><a href="/wiki/Typsystem" title="Typsystem">Datatypsdisciplin</a></th><td class="" style="">duck, dynamic</td></tr><tr><th style="text-align:left;"><a href="/wiki/Implementation_(programmering)" title="Implementation (programmering)">Implementationer</a></th><td class="" style=""><a href="/w/index.php?title=Ruby_MRI&action=edit&redlink=1" class="new" title="Ruby MRI [inte skriven än]">Ruby MRI</a>, <a href="/wiki/YARV" title="YARV">YARV</a>, <a href="/w/index.php?title=JRuby&action=edit&redlink=1" class="new" title="JRuby [inte skriven än]">JRuby</a>, <a href="/w/index.php?title=Rubinius&action=edit&redlink=1" class="new" title="Rubinius [inte skriven än]">Rubinius</a>, <a href="/w/index.php?title=IronRuby&action=edit&redlink=1" class="new" title="IronRuby [inte skriven än]">IronRuby</a>, <a href="/w/index.php?title=MacRuby&action=edit&redlink=1" class="new" title="MacRuby [inte skriven än]">MacRuby</a>, <a href="/w/index.php?title=HotRuby&action=edit&redlink=1" class="new" title="HotRuby [inte skriven än]">HotRuby</a></td></tr><tr><th style="text-align:left;">Influerat av</th><td class="" style=""><a href="/wiki/Ada_(programspr%C3%A5k)" title="Ada (programspråk)">Ada</a>, <a href="/wiki/C%2B%2B" title="C++">C++</a>, <a href="/w/index.php?title=CLU&action=edit&redlink=1" class="new" title="CLU [inte skriven än]">CLU</a>, Dylan, <a href="/w/index.php?title=Eiffel_(programspr%C3%A5k)&action=edit&redlink=1" class="new" title="Eiffel (programspråk) [inte skriven än]">Eiffel</a>, <a href="/wiki/Lisp" title="Lisp">Lisp</a>, <a href="/wiki/Perl" title="Perl">Perl</a>, <a href="/wiki/Python_(programspr%C3%A5k)" title="Python (programspråk)">Python</a>, <a href="/wiki/Smalltalk" title="Smalltalk">Smalltalk</a></td></tr><tr><th style="text-align:left;">Influerat</th><td class="" style=""><a href="/wiki/Perl_6" class="mw-redirect" title="Perl 6">Perl 6</a>, Falcon, Fancy, <a href="/wiki/Groovy_(programspr%C3%A5k)" title="Groovy (programspråk)">Groovy (programspråk)</a>, Ioke, Mirah, Nu, Reia</td></tr><tr><th style="text-align:left;"><a href="/wiki/Operativsystem" title="Operativsystem">Plattform</a></th><td class="" style=""><a href="/wiki/Unix" title="Unix">Unix</a>, <a href="/wiki/Linux" title="Linux">Linux</a>, <a href="/wiki/Microsoft_Windows" title="Microsoft Windows">Microsoft Windows</a>, m.m.</td></tr><tr><th style="text-align:left;"><a href="/wiki/Programvarulicens" title="Programvarulicens">Licens</a></th><td class="" style=""><a href="/wiki/GNU_General_Public_License" title="GNU General Public License">GPL</a> och <a href="/w/index.php?title=Ruby_License&action=edit&redlink=1" class="new" title="Ruby License [inte skriven än]">Ruby License</a></td></tr><tr><th style="text-align:left;"><a href="/wiki/Webbplats" title="Webbplats">Webbplats</a></th><td class="" style=""><a rel="nofollow" class="external text" href="http://www.ruby-lang.org/">ruby-lang.org</a></td></tr></tbody></table> <p><b>Ruby</b> är ett <a href="/wiki/Fri_mjukvara" class="mw-redirect" title="Fri mjukvara">fritt generellt</a> <a href="/wiki/Programspr%C3%A5k" title="Programspråk">programspråk</a> utvecklat i <a href="/wiki/Japan" title="Japan">Japan</a> av <a href="/wiki/Yukihiro_Matsumoto" title="Yukihiro Matsumoto">Yukihiro "Matz" Matsumoto</a> i mitten av 1990-talet. Det är ett <a href="/wiki/Interpreterande_programspr%C3%A5k" title="Interpreterande programspråk">interpreterande språk</a>, vilket innebär att koden tolkas direkt vid exekveringen och inte <a href="/wiki/Kompilering" class="mw-redirect" title="Kompilering">kompileras</a>. Ruby är ett rent <a href="/wiki/Objektorientering" class="mw-redirect" title="Objektorientering">objektorienterat</a> programspråk, skapat för att vara så intuitivt som möjligt enligt "principle of least surprise" (ungefärligt översatt <i>principen om minsta möjliga överraskning</i>). </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Historia">Historia</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ruby&veaction=edit&section=1" title="Redigera avsnitt: Historia" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ruby&action=edit&section=1" title="Redigera avsnitts källkod: Historia"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Matsumoto började utveckla Ruby i början av <a href="/wiki/1993" title="1993">1993</a> och publicerade det offentligt <a href="/wiki/1995" title="1995">1995</a>. Han försökte utveckla ett nytt språk som var menat att vara enkelt att förstå för både vana och ovana programmerare. Han skrev en gång att "Ruby ser enkelt ut, men är väldigt komplext på insidan, precis som en människokropp." <sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-reference-link-bracket">[</span>1<span class="cite-reference-link-bracket">]</span></a></sup> Idag är Ruby bland de tio mest populära programspråken i världen, enligt <a href="/w/index.php?title=TIOBE_Software&action=edit&redlink=1" class="new" title="TIOBE Software [inte skriven än]">TIOBE Software</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Egenskaper">Egenskaper</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ruby&veaction=edit&section=2" title="Redigera avsnitt: Egenskaper" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ruby&action=edit&section=2" title="Redigera avsnitts källkod: Egenskaper"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Ruby har varit välkänt som programspråk i Japan i flera år, vilket har lett till att de flesta delarna av språket är skrivna av japaner. Först på senare tid har engelskspråkig dokumentation tagits fram, vilket medfört att även resten av världen har kunnat ta del av språket. </p><p>Ruby kan användas på de flesta plattformar, såsom <a href="/wiki/Microsoft_Windows" title="Microsoft Windows">Windows</a>, <a href="/wiki/Unix" title="Unix">Unix</a> och <a href="/wiki/GNU/Linux" class="mw-redirect" title="GNU/Linux">GNU/Linux</a>. Det finns förinstallerat i en del versioner av <a href="/wiki/Mac_OS" title="Mac OS">Mac OS</a>, följer med <a href="/wiki/Cygwin" title="Cygwin">Cygwin</a> och används även av <a href="/wiki/Watir" title="Watir">Watir</a>. </p><p>Ruby är skalbart och kan användas till både korta skript samt utveckling av större applikationer. Språket lämpar sig även för systemadministration tack vare möjligheter till <a href="/wiki/API" class="mw-redirect" title="API">API</a>-anrop på låg nivå, men passar lika bra för exempelvis webbapplikationer via inbäddning och <a href="/wiki/Common_Gateway_Interface" title="Common Gateway Interface">CGI</a>. Det räknas genom sina egenskaper till de <a href="/wiki/Agila_programmeringsspr%C3%A5k" class="mw-redirect" title="Agila programmeringsspråk">agila programspråken</a>. </p><p>Ruby konkurrerar med framför allt <a href="/wiki/Perl" title="Perl">Perl</a> och <a href="/wiki/Python_(programspr%C3%A5k)" title="Python (programspråk)">Python</a>; språk som Matsumoto tog inspiration från när han sökte efter en optimal <a href="/wiki/Syntax" title="Syntax">syntax</a> för Ruby. På senare tid har Ruby uppmärksammats genom <a href="/wiki/Model-view-controller" class="mw-redirect" title="Model-view-controller">MVC</a>-webbramverket <a href="/wiki/Ruby_on_Rails" title="Ruby on Rails">Ruby on Rails</a>. De mer etablerade webbapplikationsspråken <a href="/wiki/PHP" title="PHP">PHP</a> och <a href="/wiki/ASP" class="mw-redirect mw-disambig" title="ASP">ASP</a><sup class="noprint Inline-Template"><a href="/wiki/Wikipedia:Inledning_och_sammanhang#Förklara_sammanhanget" title="Wikipedia:Inledning och sammanhang">[<span title="Active Server Pages eller ASP.NET? (2016-05)"><i>förtydliga</i></span>]</a></sup> har på så sätt fått en ny konkurrent. Utvecklargruppen kring Python har även tagit fram ramverken <a href="/wiki/Django_(webbramverk)" title="Django (webbramverk)">Django</a> och <a href="/w/index.php?title=Turbogears&action=edit&redlink=1" class="new" title="Turbogears [inte skriven än]">Turbogears</a>, som båda bygger på samma principer som Ruby on Rails. Ruby on Rails hanterar kopplingen till databaser på ett ovanligt smidigt och enkelt sätt<sup class="noprint Inline-Template"><a href="/wiki/Wikipedia:Undvik_f%C3%B6rs%C3%A5tliga_referenser" title="Wikipedia:Undvik försåtliga referenser">[<span title="enligt vem (2012-06)"><i>enligt vem?</i></span>]</a></sup>. </p> <div class="mw-heading mw-heading2"><h2 id="Programexempel">Programexempel</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ruby&veaction=edit&section=3" title="Redigera avsnitt: Programexempel" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ruby&action=edit&section=3" title="Redigera avsnitts källkod: Programexempel"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Ruby är objektorienterat och saknar primitiva datatyper. Till och med heltal är objekt. Kodexemplet nedan visar två olika sätt på vilka man kan skriva ut texten "Hej världen" tio gånger i följd. </p> <div class="mw-highlight mw-highlight-lang-ruby mw-content-ltr" dir="ltr"><pre><span></span><span class="w"> </span><span class="mi">10</span><span class="o">.</span><span class="n">times</span><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="nb">puts</span><span class="w"> </span><span class="s1">'Hej världen'</span><span class="w"> </span><span class="p">}</span> <span class="w"> </span><span class="nb">puts</span><span class="w"> </span><span class="s1">'Hej världen'</span><span class="w"> </span><span class="o">*</span><span class="w"> </span><span class="mi">10</span> </pre></div> <p>Ruby har inbyggt stöd för <a href="/wiki/Bignum-aritmetik" title="Bignum-aritmetik">bignum-aritmetik</a>, vilket gör att storleken på heltal endast är begränsat av mängden tillgängligt minne. Kodexemplet nedan skriver ut texten "Hej världen" 238472058502835 gånger. </p> <div class="mw-highlight mw-highlight-lang-ruby mw-content-ltr" dir="ltr"><pre><span></span><span class="w"> </span><span class="mi">238472058502835</span><span class="o">.</span><span class="n">times</span><span class="w"> </span><span class="p">{</span><span class="w"> </span><span class="nb">print</span><span class="w"> </span><span class="s2">"Hej världen."</span><span class="w"> </span><span class="p">}</span> </pre></div> <p>Kodexemplet nedan söker igenom textfilen "hej.txt" efter raden där det står "john doe" och skriver ut den. </p> <div class="mw-highlight mw-highlight-lang-ruby mw-content-ltr" dir="ltr"><pre><span></span><span class="w"> </span><span class="no">File</span><span class="o">.</span><span class="n">open</span><span class="p">(</span><span class="s2">"hej.txt"</span><span class="p">,</span><span class="s2">"r"</span><span class="p">)</span><span class="o">.</span><span class="n">each</span><span class="w"> </span><span class="k">do</span><span class="w"> </span><span class="o">|</span><span class="n">line</span><span class="o">|</span> <span class="w"> </span><span class="nb">puts</span><span class="w"> </span><span class="n">line</span><span class="w"> </span><span class="k">if</span><span class="w"> </span><span class="p">(</span><span class="n">line</span><span class="o">.</span><span class="n">chomp</span><span class="w"> </span><span class="o">==</span><span class="w"> </span><span class="s2">"john doe"</span><span class="p">)</span> <span class="w"> </span><span class="k">end</span> </pre></div> <div class="mw-heading mw-heading2"><h2 id="Litteratur">Litteratur</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ruby&veaction=edit&section=4" title="Redigera avsnitt: Litteratur" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ruby&action=edit&section=4" title="Redigera avsnitts källkod: Litteratur"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li>Matsumoto (2007), <i>Ruby in a Nutshell, 2nd ed.</i>, O'Reilly.</li> <li>Carlson & Richardson (2006), <i>The Ruby Cook Book</i>, O'Reilly.</li> <li>Fulton (2006), <i>The Ruby Way (2nd ed)</i>, SAMS.</li> <li>Thomas, Hansson (2005), <i>Agile Web Development with Rails</i>, The Pragmatic Programmers</li> <li>Thomas, Fowler & Hunt (2004), <i>Programming Ruby (2nd ed)</i>, Addison-Wesley.</li></ul> <div class="mw-heading mw-heading2"><h2 id="Noter">Noter</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Ruby&veaction=edit&section=5" title="Redigera avsnitt: Noter" class="mw-editsection-visualeditor"><span>redigera</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Ruby&action=edit&section=5" title="Redigera avsnitts källkod: Noter"><span>redigera wikitext</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><a href="#cite_ref-1">^</a> <span class="reference-text"><cite style="font-style:normal" class="web"><a rel="nofollow" class="external text" href="https://web.archive.org/web/20070517042345/http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/2773">”Arkiverade kopian”</a>. Arkiverad från <a rel="nofollow" class="external text" href="http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/2773">originalet</a> den 17 maj 2007<span class="printonly">. <a rel="nofollow" class="external free" href="https://web.archive.org/web/20070517042345/http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/2773">https://web.archive.org/web/20070517042345/http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/2773</a></span><span class="reference-accessdate">. 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