{"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\/nl\/blog\/news\/novaya-versiya-interpretatora-gnu-awk-5-2","title":{"rendered":"Nieuwe versie van de GNU Awk-interpreter 5.2","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>De nieuwe versie van de AWK programmeertaal van het GNU-project is ge\u00efntroduceerd - Gawk 5.2.0. AWK werd in de jaren '70 ontwikkeld en heeft sinds het midden van de jaren '80, toen de basisstructuur van de taal werd vastgesteld, geen significante veranderingen ondergaan. Dit heeft ervoor gezorgd dat de stabiliteit en eenvoud van de taal de afgelopen decennia bewaard zijn gebleven. Ondanks zijn hoge leeftijd wordt AWK nog steeds vaak gebruikt door beheerders voor routinematige taken die verband houden met het parseren van verschillende soorten tekstbestanden en het genereren van eenvoudige resultaatstatistieken.      <\/p>\n<p>Belangrijkste wijzigingen:  <\/p>\n<ul>\n<li class=\"l\"> Experimentele ondersteuning voor de persistent malloc (pma) geheugenbeheerder is toegevoegd, waarmee waarden van variabelen, arrays en gebruikersfuncties tussen verschillende uitvoeringen van awk kunnen worden opgeslagen.\n<li class=\"l\"> Ondersteuning voor hoge precisie arithmetiek, ge\u00efmplementeerd met behulp van de MPFR-bibliotheek, is overgedragen aan een externe enthousiasteling en valt niet langer onder de verantwoordelijkheid van GNU Awk. Er wordt opgemerkt dat de implementatie van de MPFR-modus in GNU Awk als een fout wordt beschouwd. In het geval van wijzigingen in de toestand met ondersteuning, is het van plan deze mogelijkheid volledig uit GNU Awk te verwijderen.\n<li class=\"l\"> De componenten van de build-infrastructuur zijn bijgewerkt naar Libtool 2.4.7 en Bison 3.8.2.\n<li class=\"l\"> De logic voor het vergelijken van getallen is aangepast om overeen te komen met de logica die wordt toegepast in de programmeertaal C. Voor gebruikers raakt de wijziging voornamelijk het vergelijken van de waarden Infinity en NaN met gewone getallen.\n<li class=\"l\"> Het is nu mogelijk om de hashfunctie FNV1-A te gebruiken in associatieve arrays, in te schakelen door de omgevingsvariabele AWK_HASH in te stellen op de waarde 'fnv1a'.\n<li class=\"l\"> Ondersteuning voor bouwen met CMake is verwijderd (de CMake-ondersteuningscode was ongevraagd en is vijf jaar lang niet bijgewerkt).\n<li class=\"l\"> De functie mkbool() is toegevoegd om booleaanse waarden te cre\u00ebren die nummers zijn, maar behandeld worden als een Boolean-type.\n<li class=\"l\"> In de BWK-modus is de ondersteuning voor expressies voor het defini\u00ebren van bereiken standaard ingeschakeld wanneer de vlag '--traditional' is opgegeven, in plaats van de optie '-r' ('--re-interval').\n<li class=\"l\"> In de rwarray-extensie zijn nieuwe functies writeall() en readall() aangeboden voor het gelijktijdig schrijven en lezen van alle variabelen en arrays.\n<li class=\"l\"> Een gawkbug-script is toegevoegd voor het verzenden van foutinformatie.\n<li class=\"l\"> Er is onmiddellijke be\u00ebindiging verzekerd bij het detecteren van syntactische fouten, wat problemen met fuzzing-testtools oplost.\n<li class=\"l\"> Ondersteuning voor de besturingssystemen OS\/2 en VAX\/VMS is be\u00ebindigd.    <\/ul>\n<p>Bron: <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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