{"id":182325,"date":"2026-06-25T20:48:38","date_gmt":"2026-06-25T18:48:38","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/proekt-rars-podgotovil-svobodnuyu-realizacziyu-rar-s-podderzhkoj-sozdaniya-arhivov"},"modified":"2026-06-25T20:48:38","modified_gmt":"2026-06-25T18:48:38","slug":"proekt-rars-podgotovil-svobodnuyu-realizacziyu-rar-s-podderzhkoj-sozdaniya-arhivov","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/proekt-rars-podgotovil-svobodnuyu-realizacziyu-rar-s-podderzhkoj-sozdaniya-arhivov","title":{"rendered":"Projekt rars pripravil vo\u013en\u00fa implement\u00e1ciu RAR s podporou vytv\u00e1rania arch\u00edvov","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Bol projekt rars, ktor\u00fd rozv\u00edja vo\u013en\u00fa implement\u00e1ciu n\u00e1stroja pre form\u00e1t RAR nap\u00edsan\u00fa v jazyku Rust a podporuj\u00facu nielen rozba\u013eovanie, ale aj vytv\u00e1ranie RAR arch\u00edvov. N\u00e1stroj podporuje ako star\u0161ie form\u00e1ty RAR 1.3\/1.4 so signat\u00farou \u00abRE~^\u00bb, tak aj najnov\u0161iu verziu RAR 7. K dispoz\u00edcii s\u00fa roz\u0161\u00edren\u00e9 oper\u00e1cie, ako je delenie na objemy, ochrana heslom, \u0161ifrovanie hlavi\u010diek, prip\u00e1janie koment\u00e1rov, RARVM filtre, indexy pre r\u00fdchle otvorenie a mechanizmy obnovenia po\u0161koden\u00fdch d\u00e1t. K\u00f3d sa distribuuje pod licenciami MIT a Apache-2.0. Na z\u00e1klade kni\u017enice PyO3 s\u00fa pripraven\u00e9 obaly pre jazyk Python, ktor\u00e9 implementuj\u00fa API v \u0161t\u00fdle rarfile na prezeranie, testovanie a extrahovanie arch\u00edvov, ako aj API v \u0161t\u00fdle RarBuilder na vytv\u00e1ranie alebo repakovanie arch\u00edvov.<\/p>\n

Rys projektu spo\u010d\u00edva v tom, \u017ee realizuje pr\u00e1cu s form\u00e1tom RAR bez pou\u017eitia k\u00f3du utilitky unrar, distribuovanej pod nevo\u013enou licenciou, ktor\u00e1 zakazuje pou\u017e\u00edvanie k\u00f3du unrar na znovu vytvorenie algoritmu kompresie RAR alebo v\u00fdvoj RAR-kompatibiln\u00e9ho arch\u00edvu. Vzh\u013eadom na toto obmedzenie v\u00e4\u010d\u0161ina vo\u013en\u00fdch arch\u00edvov obmedzovala iba na funkcie rozbalenia RAR-s\u00faborov, zatia\u013e \u010do na vytv\u00e1ranie RAR-arch\u00edvov bolo potrebn\u00e9 pou\u017e\u00edva\u0165 propriet\u00e1rne n\u00e1stroje od RARLAB.<\/p>\n

Samostatne bol vytvoren\u00fd repozit\u00e1r rar-research, v ktorom s\u00fa publikovan\u00e9 \u0161pecifik\u00e1cie pre form\u00e1ty RAR 1.3\/1.4, RAR 1.5-4.x a RAR 5.0\/7.0, ako aj pozn\u00e1mky k pou\u017eit\u00fdm algoritmom, filtr\u016fm, met\u00f3dam kontroly a obnovenia integrity, \u0161ifrovaniu, rozdeleniu na objemy a mechanizmom ochrany. Ke\u010f\u017ee v \u010dase vytvorenia projektu rars neexistovala ofici\u00e1lna kompletn\u00e1 \u0161pecifik\u00e1cia, dokument\u00e1cia bola znovu vytvoren\u00e1 na z\u00e1klade k\u00f3du rozba\u013eova\u010dov, star\u00fdch implement\u00e1ci\u00ed, testovac\u00edch arch\u00edvov a anal\u00fdzy bin\u00e1rnych verzi\u00ed RAR pre DOS a Windows.<\/p>\n

Implement\u00e1cia bola vytvoren\u00e1 s pou\u017eit\u00edm AI n\u00e1strojov OpenAI Codex 5.5 a Claude Opus 4.7 vo vo\u013enom \u010dase na pribli\u017ene p\u00e4\u0165 t\u00fd\u017ed\u0148ov. V prvej f\u00e1ze sa modely pou\u017e\u00edvali na systematiz\u00e1ciu inform\u00e1ci\u00ed o form\u00e1te a doplnenie medzier v popise, po \u010dom bol na z\u00e1klade obnoven\u00fdch \u0161pecifik\u00e1ci\u00ed vygenerovan\u00fd k\u00f3d v jazyku Rust. Na spresnenie \u0161pecifik\u00e1cie a zdokona\u013eovanie implement\u00e1cie sa vyu\u017e\u00edvala kontrola funkcie na re\u00e1lnych arch\u00edvoch a porovnanie s etal\u00f3nnymi implement\u00e1ciami.<\/p>\n

Je zaznamenan\u00e9, \u017ee n\u00e1stroje AI dobre zvl\u00e1daj\u00fa prevod form\u00e1lneho opisu do k\u00f3du a rutinn\u00fa realiz\u00e1ciu ve\u013ek\u00e9ho objemu funkcionality, ale nedok\u00e1zali zabezpe\u010di\u0165 architektonick\u00fa kontrolu. Bez pr\u00edsneho doh\u013eadu boli modely AI n\u00e1chyln\u00e9 obch\u00e1dza\u0165 testy, zlo\u017ei\u0165 k\u00f3d a prehliada\u0165 zjavn\u00e9 probl\u00e9my, ktor\u00e9 ovplyvnili pou\u017e\u00edvate\u013esk\u00fd komfort. Pod\u013ea hodnotenia autora sa v projekte tak\u00e9hoto rozsahu testy, dokument\u00e1cia a koment\u00e1re stali nielen n\u00e1strojmi na overenie, ale aj sp\u00f4sobom, ako nasmerova\u0165 gener\u00e1ciu k\u00f3du do spr\u00e1vneho smeru.<\/p>\n

V\u00fdvoj sa podarilo ur\u00fdchli\u0165 po zaveden\u00ed re\u017eimu \u00ab\/goal\u00bb v OpenAI Codex, ktor\u00fd umo\u017e\u0148uje AI agentovi dlhodobo pracova\u0165 na jednom \u00falohe, zmen\u0161ova\u0165 kontext a pokra\u010dova\u0165 v pr\u00e1ci po jeho preplnen\u00ed. V tomto re\u017eime Codex nieko\u013ekokr\u00e1t pracoval viac ako 6 hod\u00edn a raz pribli\u017ene 16 hod\u00edn, \u010d\u00edm realizoval zna\u010dn\u00fa \u010das\u0165 zost\u00e1vaj\u00facej funkcionality, ako je obnovenie d\u00e1t, \u0161ifrovanie a viacobjemov\u00e9 arch\u00edvy. S oh\u013eadom na zna\u010dn\u00fa dot\u00e1ciu na tokeny bolo vynalo\u017een\u00fdch 40 libier.<\/p>\n

Z h\u013eadiska kompresie rars v priemere zaost\u00e1va o 5-10% za WinRAR. Z h\u013eadiska r\u00fdchlosti kompresie a rozba\u013eovania je rars v\u00fdrazne pomal\u0161\u00ed ako WinRAR kv\u00f4li nedostatku plnohodnotn\u00fdch optimaliz\u00e1ci\u00ed. Projekt u\u017e m\u00e1 v\u0161ak re\u017eim \u00ab\u2014features fast\u00bb, ktor\u00fd aplikuje optimaliz\u00e1cie zalo\u017een\u00e9 na SIMD in\u0161trukci\u00e1ch na ur\u00fdchlenie kompresie a rozba\u013eovania, ale je viazan\u00fd na experiment\u00e1lne API std::simd, dostupn\u00e9 len v testovac\u00edch zostav\u00e1ch n\u00e1stroja Rust. Realizovan\u00fd je aj re\u017eim \u00ab\u2014features parallel\u00bb, ktor\u00fd vyu\u017e\u00edva kni\u017enicu Rayon na paraleliz\u00e1ciu kompresie jednotliv\u00fdch s\u00faborov.<\/p>\n

Evgeny Roshal, tvorca RAR, komentoval pou\u017e\u00edvanie reverzn\u00e9ho in\u017einierstva star\u00fdch bin\u00e1rnych s\u00faborov RAR pri v\u00fdvoji rars, \u010do je zak\u00e1zan\u00e9 licen\u010dnou dohodou. Pod\u013ea Evgenyho zatia\u013e nie je rozhodnut\u00fd, \u010do s t\u00fdm robi\u0165, a pl\u00e1nuje po\u010dka\u0165 na n\u00e1zor firmy win.rar GmbH.
\n
Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u043f\u0440\u043e\u0435\u043a\u0442 rars, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0438\u0439 \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u0443\u044e \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f \u0434\u043b\u044f \u0444\u043e\u0440\u043c\u0430\u0442\u0430 RAR, \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u043d\u0443\u044e \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Rust \u0438 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u044e\u0449\u0443\u044e \u043d\u0435 \u0442\u043e\u043b\u044c\u043a\u043e \u0440\u0430\u0441\u043f\u0430\u043a\u043e\u0432\u043a\u0443, \u043d\u043e \u0438 \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u0435 RAR-\u0430\u0440\u0445\u0438\u0432\u043e\u0432. \u0418\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0439 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 \u043a\u0430\u043a \u0440\u0430\u043d\u043d\u0438\u0435 \u0444\u043e\u0440\u043c\u0430\u0442\u044b RAR 1.3\/1.4 \u0441 \u0441\u0438\u0433\u043d\u0430\u0442\u0443\u0440\u043e\u0439 «RE~^», \u0442\u0430\u043a \u0438 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u044e\u044e \u0432\u0435\u0440\u0441\u0438\u044e RAR 7. \u0414\u043e\u0441\u0442\u0443\u043f\u043d\u044b \u0442\u0430\u043a\u0438\u0435 \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u043d\u044b\u0435 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438, \u043a\u0430\u043a \u0440\u0430\u0437\u0431\u0438\u0435\u043d\u0438\u0435 \u043d\u0430 \u0442\u043e\u043c\u0430, \u0437\u0430\u0449\u0438\u0442\u0430 \u043f\u0430\u0440\u043e\u043b\u0435\u043c, \u0448\u0438\u0444\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0437\u0430\u0433\u043e\u043b\u043e\u0432\u043a\u043e\u0432, \u043f\u0440\u0438\u043a\u0440\u0435\u043f\u043b\u0435\u043d\u0438\u0435 \u043a\u043e\u043c\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0435\u0432, RARVM-\u0444\u0438\u043b\u044c\u0442\u0440\u044b, \u0438\u043d\u0434\u0435\u043a\u0441\u044b […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-182325","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Projekt rars pripravil vo\u013en\u00fa implement\u00e1ciu RAR s podporou vytv\u00e1rania arch\u00edvov | ProHoster","description":"Bol predstaven\u00fd projekt rars, rozv\u00edjaj\u00faci vo\u013en\u00fa implement\u00e1ciu n\u00e1strojov pre form\u00e1t RAR, 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