{"id":105179,"date":"2022-09-27T15:37:00","date_gmt":"2022-09-27T13:37:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/dostupen-komandnyj-interpretator-bash-5-2"},"modified":"2022-09-27T15:37:00","modified_gmt":"2022-09-27T13:37:00","slug":"dostupen-komandnyj-interpretator-bash-5-2","status":"publish","type":"post","link":"https:\/\/prohoster.info\/lv\/blog\/news\/dostupen-komandnyj-interpretator-bash-5-2","title":{"rendered":"Pieejama Bash 5.2 komandrindas interpretators","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>P\u0113c divdesmit m\u0113ne\u0161u izstr\u0101des ir izdota jaun\u0101 GNU Bash 5.2 komandu interpretera versija, kas p\u0113c noklus\u0113juma tiek izmantota liel\u0101kaj\u0101 da\u013c\u0101 Linux izplat\u012bjumu. Vienlaikus ir izveidota ar\u012b readline 8.2 bibliot\u0113ka, ko bash izmanto komandu rindu redi\u0123\u0113\u0161anai.    <\/p>\n<p>No galvenaj\u0101m uzlabojumiem var atz\u012bm\u0113t:  <\/p>\n<ul>\n<li class=\"l\"> P\u0101rveidots kods komandu aizvieto\u0161anas konstrukciju pars\u0113\u0161anai (command substitution, komandu izpildes rezult\u0101ta aizvieto\u0161ana, piem\u0113ram, &#171;$(komanda)&#187; vai `komanda`). Jaun\u0101 implement\u0101cija izmanto bison pars\u0113t\u0101ju ar rekurs\u012bvu izsaukumu un at\u0161\u0137iras ar kvalitat\u012bv\u0101ku sintakses p\u0101rbaudi un agr\u0101ku k\u013c\u016bdu identific\u0113\u0161anu aizvieto\u0161anas konstrukcij\u0101s.\n<li class=\"l\"> Uzlabota mas\u012bvu indeksu pars\u0113\u0161ana un atkl\u0101\u0161ana. Ieviesta iesp\u0113ja izmantot parametrus &#171;@&#187; un &#171;*&#187; ieb\u016bv\u0113taj\u0101 komandas unset, lai atiestat\u012btu atsl\u0113gu ar noteiktu v\u0113rt\u012bbu, nevis atiestat\u012btu visu mas\u012bvu.\n<li class=\"l\"> Pievienota jauna iestat\u012bjumu opcija &#171;patsub_replacement&#187;, kur\u0101 simbols &#171;&#038;&#187; aizvietotaj\u0101 virknes da\u013c\u0101 tiek izmantots, lai aizvietotu virknes da\u013cu, kas atbilst nor\u0101d\u012btajam paraugam. Lai ievietotu burtiski &#171;&#038;&#187;, t\u0101 ir j\u0101izvair\u0101s no atpaka\u013csl\u012bdo\u0161\u0101s sl\u012bpes.\n<li class=\"l\"> Papla\u0161in\u0101ts situ\u0101ciju skaits, kad netiek veikta papildu procesu atzarojuma izpilde, piem\u0113ram, fork vairs netiek lietots, izmantojot konstrukciju &#171;$(&lt;fails)&#187;.\n<li class=\"l\"> Ieviests jauns iek\u0161\u0113jais r\u0101mis taimeriem un laika ierobe\u017eojumu apr\u0113\u0137inam.\n<li class=\"l\"> Iesp\u0113jama alternat\u012bva mas\u012bvu implement\u0101cija, kas optimiz\u0113ta maksim\u0101las piek\u013cuves \u0101truma sasnieg\u0161anai par cenu, palielinot atmi\u0146as pat\u0113ri\u0146u, iek\u013caujot b\u016bv\u0113\u0161anas posm\u0101 (configure &#8212;enable-alt-array-implementation).\n<li class=\"l\"> Papla\u0161in\u0101ta $&#8217;&#8230;&#8217; un $&#187;&#8230;&#187; aizvietojumu izmanto\u0161ana, kas attiecas uz lokaliz\u0101ciju. Pievienota iestat\u012bjumu opcija noexpand_translations un b\u016bv\u0113\u0161anas iesp\u0113ja &#171;configure &#8212;enable-translatable-strings&#187;, kas kontrol\u0113 lokaliz\u0113jamo aizvietojumu atbalstu $&#187;&#8230;&#187;.\n<li class=\"l\"> Pievienota un p\u0113c noklus\u0113juma aktiviz\u0113ta iestat\u012bjumu opcija &#171;globskipdots&#187;, kas aizliedz &#171;.&#187; un &#171;..&#187; atgrie\u0161anu ce\u013cu izkl\u0101st\u0101.            <\/ul>\n<p>Avots: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57835\">opennet.lv<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u0434\u0432\u0430\u0434\u0446\u0430\u0442\u0438 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u0430 \u043d\u043e\u0432\u0430\u044f \u0432\u0435\u0440\u0441\u0438\u044f \u043a\u043e\u043c\u0430\u043d\u0434\u043d\u043e\u0433\u043e \u0438\u043d\u0442\u0435\u0440\u043f\u0440\u0435\u0442\u0430\u0442\u043e\u0440\u0430 GNU Bash 5.2, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u043e\u0433\u043e \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u0432 \u0431\u043e\u043b\u044c\u0448\u0438\u043d\u0441\u0442\u0432\u0435 \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u043e\u0432 Linux. \u041e\u0434\u043d\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u043e \u0441\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 readline 8.2, \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u043e\u0439 \u0432 bash \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0440\u0435\u0434\u0430\u043a\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u043a\u043e\u043c\u0430\u043d\u0434\u043d\u043e\u0439 \u0441\u0442\u0440\u043e\u043a\u0438. \u0418\u0437 \u043a\u043b\u044e\u0447\u0435\u0432\u044b\u0445 \u0443\u043b\u0443\u0447\u0448\u0435\u043d\u0438\u0439 \u043c\u043e\u0436\u043d\u043e \u043e\u0442\u043c\u0435\u0442\u0438\u0442\u044c: \u041f\u0435\u0440\u0435\u043f\u0438\u0441\u0430\u043d \u043a\u043e\u0434 \u0434\u043b\u044f \u0440\u0430\u0437\u0431\u043e\u0440\u0430 \u043a\u043e\u043d\u0441\u0442\u0440\u0443\u043a\u0446\u0438\u0439 \u0437\u0430\u043c\u0435\u0449\u0435\u043d\u0438\u044f \u043a\u043e\u043c\u0430\u043d\u0434 (command substitution, \u043f\u043e\u0434\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0430 \u0432\u044b\u0432\u043e\u0434\u0430 \u043e\u0442 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0434\u0440\u0443\u0433\u043e\u0439 \u043a\u043e\u043c\u0430\u043d\u0434\u044b, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, &#171;$(command)&#187; [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-105179","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u043e\u0441\u043b\u0435 \u0434\u0432\u0430\u0434\u0446\u0430\u0442\u0438 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u0430 \u043d\u043e\u0432\u0430\u044f \u0432\u0435\u0440\u0441\u0438\u044f \u043a\u043e\u043c\u0430\u043d\u0434\u043d\u043e\u0433\u043e \u0438\u043d\u0442\u0435\u0440\u043f\u0440\u0435\u0442\u0430\u0442\u043e\u0440\u0430 GNU Bash 5.2, 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Linux.","og:url":"https:\/\/prohoster.info\/lv\/blog\/news\/dostupen-komandnyj-interpretator-bash-5-2","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2022-09-27T13:37:00+00:00","article:modified_time":"2022-09-27T13:37:00+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":[],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/lv\/wp-json\/wp\/v2\/posts\/105179","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/lv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/lv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/lv\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/lv\/wp-json\/wp\/v2\/comments?post=105179"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/lv\/wp-json\/wp\/v2\/posts\/105179\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/lv\/wp-json\/wp\/v2\/media?parent=105179"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/lv\/wp-json\/wp\/v2\/categories?post=105179"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/lv\/wp-json\/wp\/v2\/tags?post=105179"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}