{"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\/es\/blog\/news\/novaya-versiya-interpretatora-gnu-awk-5-2","title":{"rendered":"Nueva versi\u00f3n del int\u00e9rprete GNU Awk 5.2","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Se ha presentado una nueva versi\u00f3n de la implementaci\u00f3n del lenguaje de programaci\u00f3n AWK del proyecto GNU \u2014 Gawk 5.2.0. AWK fue desarrollado en los a\u00f1os 70 y no ha sufrido cambios significativos desde mediados de los a\u00f1os 80, cuando se defini\u00f3 el esqueleto principal del lenguaje. Esto ha permitido mantener la estabilidad y simplicidad originales del lenguaje durante las \u00faltimas d\u00e9cadas. A pesar de su avanzada edad, AWK sigue siendo utilizado activamente por administradores para realizar tareas rutinarias relacionadas con el an\u00e1lisis de diversos tipos de archivos de texto y la generaci\u00f3n de estad\u00edsticas resultantes simples.      <\/p>\n<p>Cambios clave:  <\/p>\n<ul>\n<li class=\"l\"> Se ha a\u00f1adido soporte experimental para el gestor de memoria pma (persistent malloc), que permite mantener los valores de las variables, matrices y funciones personalizadas entre diferentes ejecuciones de awk.\n<li class=\"l\"> El soporte para aritm\u00e9tica de alta precisi\u00f3n, implementado a trav\u00e9s de la biblioteca MPFR, ha sido desasignado de la responsabilidad del mantenedor de GNU Awk y transferido a un entusiasta externo. Se se\u00f1ala que la implementaci\u00f3n del modo MPFR en GNU Awk es considerada un error. En caso de que cambie el estado de mantenimiento, se planea eliminar completamente esta funcionalidad de GNU Awk.\n<li class=\"l\"> Se han actualizado los componentes de la infraestructura de compilaci\u00f3n Libtool 2.4.7 y Bison 3.8.2.\n<li class=\"l\"> Se ha modificado la l\u00f3gica de comparaci\u00f3n de n\u00fameros, que ahora est\u00e1 alineada con la l\u00f3gica utilizada en el lenguaje C. Para los usuarios, el cambio afecta principalmente la comparaci\u00f3n de los valores Infinity y NaN con n\u00fameros ordinarios.\n<li class=\"l\"> Se ha habilitado el uso de la funci\u00f3n hash FNV1-A en arreglos asociativos, que se activa al establecer la variable de entorno AWK_HASH en el valor \"fnv1a\".\n<li class=\"l\"> Se ha eliminado el soporte para la construcci\u00f3n utilizando CMake (el c\u00f3digo de soporte CMake no fue solicitado y no se actualiz\u00f3 durante cinco a\u00f1os).\n<li class=\"l\"> Se ha a\u00f1adido la funci\u00f3n mkbool() para crear valores booleanos, que son n\u00fameros, pero se tratan como del tipo Boolean.\n<li class=\"l\"> En el modo BWK, al indicar la bandera \"--traditional\", se habilita por defecto el soporte para expresiones para definir rangos, previamente incluidos en la opci\u00f3n \"-r\" (\"--re-interval\").\n<li class=\"l\"> En la extensi\u00f3n rwarray se han propuesto nuevas funciones writeall() y readall() para escribir y leer a la vez todas las variables y matrices.\n<li class=\"l\"> Se ha a\u00f1adido el script gawkbug para informar sobre errores.\n<li class=\"l\"> Se garantiza la finalizaci\u00f3n inmediata en caso de detectar errores de sintaxis, lo que resuelve problemas al utilizar herramientas para pruebas de fuzzing.\n<li class=\"l\"> Se ha dejado de ofrecer soporte para los sistemas operativos OS\/2 y VAX\/VMS.    <\/ul>\n<p>Fuente: <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 5.0.2 - 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