{"id":105022,"date":"2022-09-05T09:36:46","date_gmt":"2022-09-05T07:36:46","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/novaya-versiya-interpretatora-gnu-awk-5-2"},"modified":"2022-09-05T09:36:46","modified_gmt":"2022-09-05T07:36:46","slug":"novaya-versiya-interpretatora-gnu-awk-5-2","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/novaya-versiya-interpretatora-gnu-awk-5-2","title":{"rendered":"Nova vers\u00e3o do interpretador GNU Awk 5.2.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Foi lan\u00e7ada uma nova vers\u00e3o da implementa\u00e7\u00e3o da linguagem de programa\u00e7\u00e3o AWK do projeto GNU \u2014 Gawk 5.2.0. AWK foi desenvolvido na d\u00e9cada de 70 e n\u00e3o sofreu mudan\u00e7as significativas desde meados dos anos 80, quando a espinha dorsal da linguagem foi definida, permitindo que, nas \u00faltimas d\u00e9cadas, a estabilidade e a simplicidade originais da linguagem fossem mantidas. Apesar de sua idade avan\u00e7ada, AWK ainda \u00e9 amplamente utilizado por administradores para realizar tarefas rotineiras relacionadas \u00e0 an\u00e1lise de diversos tipos de arquivos de texto e \u00e0 gera\u00e7\u00e3o de estat\u00edsticas simples.      <\/p>\n<p>Mudan\u00e7as principais:  <\/p>\n<ul>\n<li class=\"l\"> Adicionada o suporte experimental para o gerenciador de mem\u00f3ria pma (persistent malloc), que permite que os valores de vari\u00e1veis, arrays e fun\u00e7\u00f5es personalizadas sejam mantidos entre diferentes execu\u00e7\u00f5es do awk.\n<li class=\"l\"> O suporte para aritm\u00e9tica de alta precis\u00e3o, implementado com a biblioteca MPFR, foi retirado da responsabilidade do mantenedor do GNU Awk e transferido para um entusiasta externo. Foi observado que a implementa\u00e7\u00e3o do modo MPFR no GNU Awk \u00e9 considerada um erro. Caso haja uma mudan\u00e7a de estado com o suporte, esta funcionalidade ser\u00e1 removida completamente do GNU Awk.\n<li class=\"l\"> Atualizados os componentes da infraestrutura de constru\u00e7\u00e3o: Libtool 2.4.7 e Bison 3.8.2.\n<li class=\"l\"> Alterada a l\u00f3gica de compara\u00e7\u00e3o de n\u00fameros, que foi alinhada com a l\u00f3gica aplicada na linguagem C. Para os usu\u00e1rios, esta mudan\u00e7a afeta principalmente a compara\u00e7\u00e3o de valores Infinity e NaN com n\u00fameros comuns.\n<li class=\"l\"> Foi oferecida a possibilidade de usar a fun\u00e7\u00e3o hash FNV1-A em arrays associativos, ativada ao definir a vari\u00e1vel de ambiente AWK_HASH como 'fnv1a'.\n<li class=\"l\"> Removido o suporte para compila\u00e7\u00e3o com CMake (o c\u00f3digo de suporte ao CMake n\u00e3o foi utilizado e n\u00e3o foi atualizado nos \u00faltimos cinco anos).\n<li class=\"l\"> Adicionada a fun\u00e7\u00e3o mkbool() para criar valores booleanos, que s\u00e3o n\u00fameros, mas tratados como tipo Boolean.\n<li class=\"l\"> No modo BWK, ao especificar a flag '--traditional', o suporte para express\u00f5es para determinar intervalos est\u00e1 ativado por padr\u00e3o, anteriormente inclu\u00eddo pela op\u00e7\u00e3o '-r' ('--re-interval').\n<li class=\"l\"> Na extens\u00e3o rwarray, foram propostas novas fun\u00e7\u00f5es writeall() e readall() para gravar e ler todas as vari\u00e1veis e arrays de uma s\u00f3 vez.\n<li class=\"l\"> Adicionado o script gawkbug para relatar informa\u00e7\u00f5es sobre erros.\n<li class=\"l\"> O encerramento imediato \u00e9 garantido em caso de identifica\u00e7\u00e3o de erros de sintaxe, o que resolve problemas ao utilizar ferramentas de fuzzing.\n<li class=\"l\"> O suporte para sistemas operacionais OS\/2 e VAX\/VMS foi encerrado.    <\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=57732\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u043d\u043e\u0432\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u044f\u0437\u044b\u043a\u0430 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f AWK \u043e\u0442 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 GNU &#8212; Gawk 5.2.0. AWK \u0431\u044b\u043b \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043d \u0432 70-\u0445 \u0433\u043e\u0434\u0430\u0445 \u043f\u0440\u043e\u0448\u043b\u043e\u0433\u043e \u0432\u0435\u043a\u0430 \u0438 \u043d\u0435 \u043f\u0440\u0435\u0442\u0435\u0440\u043f\u0435\u043b \u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0445 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439 \u0441 \u0441\u0435\u0440\u0435\u0434\u0438\u043d\u044b 80-\u0445 \u0433\u043e\u0434\u043e\u0432, \u0432 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0431\u044b\u043b \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u0439 \u043a\u043e\u0441\u0442\u044f\u043a \u044f\u0437\u044b\u043a\u0430, \u0447\u0442\u043e \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u043b\u043e \u043d\u0430 \u043f\u0440\u043e\u0442\u044f\u0436\u0435\u043d\u0438\u0438 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0438\u0445 \u0434\u0435\u0441\u044f\u0442\u0438\u043b\u0435\u0442\u0438\u0439 \u0441\u043e\u0445\u0440\u0430\u043d\u0438\u0442\u044c \u043f\u0435\u0440\u0432\u043e\u0437\u0434\u0430\u043d\u043d\u0443\u044e \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u0438 \u043f\u0440\u043e\u0441\u0442\u043e\u0442\u0443 \u044f\u0437\u044b\u043a\u0430. \u041d\u0435\u0441\u043c\u043e\u0442\u0440\u044f \u043d\u0430 \u043f\u0440\u0435\u043a\u043b\u043e\u043d\u043d\u044b\u0439 \u0432\u043e\u0437\u0440\u0430\u0441\u0442, AWK \u0434\u043e [&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-105022","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - 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