{"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\/da\/blog\/news\/novaya-versiya-interpretatora-gnu-awk-5-2","title":{"rendered":"Den nye version af GNU Awk fortolker 5.2","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Den nye version af programmeringssproget AWK fra GNU-projektet er blevet pr\u00e6senteret \u2014 Gawk 5.2.0. AWK blev udviklet i 1970'erne og har ikke gennemg\u00e5et betydelige \u00e6ndringer siden midten af 1980'erne, hvor skelettet til sproget blev fastlagt, hvilket har gjort det muligt at bevare den oprindelige stabilitet og enkelhed i \u00e5rtier. P\u00e5 trods af sin alder bruges AWK stadig aktivt af administratorer til at udf\u00f8re rutineopgaver relateret til parsing af forskellige tekstfiler og generering af enkel resultatstatistik.      <\/p>\n<p>N\u00f8gle\u00e6ndringer:  <\/p>\n<ul>\n<li class=\"l\"> Eksperimentel st\u00f8tte til pma (persistent malloc) hukommelsesmanager er blevet tilf\u00f8jet, hvilket muligg\u00f8r lagring af v\u00e6rdier fra variabler, arrays og brugerdefinerede funktioner mellem forskellige k\u00f8rsel af awk.\n<li class=\"l\"> St\u00f8tte til h\u00f8jpr\u00e6cisionsaritmetik, som implementeres via MPFR-biblioteket, er blevet fjernet fra ansvarsomr\u00e5det for vedligeholdelsen af GNU Awk og overdraget til en ekstern iv\u00e6rks\u00e6tter. Det bem\u00e6rkes, at implementeringen af MPFR-tilstand i GNU Awk betragtes som en fejl. Hvis der sker \u00e6ndringer i vedligeholdelsen, planl\u00e6gges denne funktion at blive fjernet helt fra GNU Awk.\n<li class=\"l\"> Bygningsinfrastrukturkomponenterne Libtool 2.4.7 og Bison 3.8.2 er blevet opdateret.\n<li class=\"l\"> Logikken for sammenligning af tal er blevet \u00e6ndret for at matche logikken, der anvendes i C-sproget. \u00c6ndringen ber\u00f8rer hovedsageligt sammenligning af v\u00e6rdier som Infinity og NaN med almindelige tal.\n<li class=\"l\"> Muligheden for at bruge hash-funktionen FNV1-A i associative arrays er givet, aktiveret ved at s\u00e6tte milj\u00f8variablen AWK_HASH til v\u00e6rdien \u00abfnv1a\u00bb.\n<li class=\"l\"> St\u00f8tten for bygning ved hj\u00e6lp af CMake er blevet fjernet (CMake-supportkoden var ikke efterspurgt og er ikke blevet opdateret i fem \u00e5r).\n<li class=\"l\"> Funktionen mkbool() er blevet tilf\u00f8jet for at oprette boolske v\u00e6rdier, der er tal, men behandles som type Boolean.\n<li class=\"l\"> I BWK-tilstand, n\u00e5r flaget \u00ab--traditional\u00bb angives, er underst\u00f8ttelse af udtryk til at definere intervaller som standard inkluderet, tidligere omfattet af indstillingen \u00ab-r\u00bb (\u00ab--re-interval\u00bb).\n<li class=\"l\"> Der er foresl\u00e5et nye funktioner writeall() og readall() til at skrive og l\u00e6se alle variabler og arrays p\u00e5 \u00e9n gang i rwarray-udvidelsen.\n<li class=\"l\"> Et script gawkbug er blevet tilf\u00f8jet til at rapportere fejl.\n<li class=\"l\"> Syntaktiske fejl afsluttes \u00f8jeblikkeligt, hvilket l\u00f8ser problemer med brugen af fuzzing-testv\u00e6rkt\u00f8jer.\n<li class=\"l\"> Underst\u00f8ttelsen af operativsystemerne OS\/2 og VAX\/VMS er oph\u00f8rt.    <\/ul>\n<p>Kilde: <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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