{"id":118704,"date":"2024-07-31T09:43:10","date_gmt":"2024-07-31T07:43:10","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/postroenie-polnoj-po-tyuringu-vychislitelnoj-sredy-pri-pomoshhi-utilit-gnu-find-i-mkdir"},"modified":"2024-07-31T09:43:10","modified_gmt":"2024-07-31T07:43:10","slug":"postroenie-polnoj-po-tyuringu-vychislitelnoj-sredy-pri-pomoshhi-utilit-gnu-find-i-mkdir","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/postroenie-polnoj-po-tyuringu-vychislitelnoj-sredy-pri-pomoshhi-utilit-gnu-find-i-mkdir","title":{"rendered":"Budowanie pe\u0142nego \u015brodowiska obliczeniowego Turinga z wykorzystaniem narz\u0119dzi GNU find i mkdir","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Japo\u0144ski programista Keigo Oka zademonstrowa\u0142, \u017ce na podstawie narz\u0119dzi GNU find i mkdir mo\u017cna stworzy\u0107 \u015brodowisko obliczeniowe, kt\u00f3re jest pe\u0142ne wed\u0142ug Turinga, tzn. pozwalaj\u0105ce realizowa\u0107 dowoln\u0105 funkcj\u0119 obliczaln\u0105 i odtwarza\u0107 siebie. Wcze\u015bniej mo\u017cliwo\u015b\u0107 stworzenia podobnego \u015brodowiska zosta\u0142a pokazana dla narz\u0119dzi sed i awk. W celu potwierdzenia pe\u0142ni wed\u0142ug Turinga przedstawiono realizacje gry Fizz buzz oraz automatu kom\u00f3rkowego dzia\u0142aj\u0105cego wed\u0142ug \u201eregu\u0142y 110\u201d na bazie po\u0142\u0105czenia find i mkdir. <\/p>\n

Aby zorganizowa\u0107 prac\u0119 p\u0119tli za pomoc\u0105 find i mkdir, zastosowano sztuczk\u0119 z rekurencyjnym tworzeniem podkatalog\u00f3w, w kt\u00f3rym u\u017cyto opcji \u201e-maxdepth\u201d do ograniczenia liczby iteracji (na przyk\u0142ad, aby uruchomi\u0107 p\u0119tl\u0119 z 3 iteracjami, mo\u017cna u\u017cy\u0107 \u201efind x -maxdepth 3 -execdir mkdir x\/x \\,;\u201d). Liczba dozwolonych iteracji jest ograniczona przez ograniczenia systemu plik\u00f3w dotycz\u0105ce tworzenia zagnie\u017cd\u017conych katalog\u00f3w i maksymalnej d\u0142ugo\u015bci \u015bcie\u017cki plik\u00f3w. Wywo\u0142anie operacji warunkowych zorganizowane jest za pomoc\u0105 wyra\u017ce\u0144 regularnych, kt\u00f3re s\u0105 dost\u0119pne przez opcj\u0119 \u201e-regex\u201d (na przyk\u0142ad, aby wy\u015bwietli\u0107 ci\u0105g \u201eBuzz\u201d dla liczb dziel\u0105cych si\u0119 przez 5, mo\u017cna poda\u0107 \u201e-regex \u2018d((\/x){5})+\u2019 -printf \u2018Buzz\\n\u2019\u201d).
\n
\u0179r\u00f3d\u0142o: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u042f\u043f\u043e\u043d\u0441\u043a\u0438\u0439 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a Keigo Oka \u043f\u0440\u043e\u0434\u0435\u043c\u043e\u043d\u0441\u0442\u0440\u0438\u0440\u043e\u0432\u0430\u043b, \u0447\u0442\u043e \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u0443\u0442\u0438\u043b\u0438\u0442 GNU find \u0438 mkdir \u043c\u043e\u0436\u043d\u043e \u0441\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0432\u044b\u0447\u0438\u0441\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u0443\u044e \u0441\u0440\u0435\u0434\u0443, \u044f\u0432\u043b\u044f\u044e\u0449\u0443\u044e\u0441\u044f \u043f\u043e\u043b\u043d\u043e\u0439 \u043f\u043e \u0422\u044c\u044e\u0440\u0438\u043d\u0433\u0443, \u0442.\u0435. \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0443\u044e \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u0442\u044c \u043d\u0430 \u043d\u0451\u043c \u043b\u044e\u0431\u0443\u044e \u0432\u044b\u0447\u0438\u0441\u043b\u0438\u043c\u0443\u044e \u0444\u0443\u043d\u043a\u0446\u0438\u044e \u0438 \u0432\u043e\u0441\u0441\u043e\u0437\u0434\u0430\u0442\u044c \u0441\u0435\u0431\u044f. \u0420\u0430\u043d\u0435\u0435 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u043f\u043e\u0434\u043e\u0431\u043d\u043e\u0439 \u0441\u0440\u0435\u0434\u044b \u0431\u044b\u043b\u0430 \u043f\u0440\u043e\u0434\u0435\u043c\u043e\u043d\u0441\u0442\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u0430 \u0434\u043b\u044f \u0443\u0442\u0438\u043b\u0438\u0442 sed \u0438 awk. \u0414\u043b\u044f \u043f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0435\u043d\u0438\u044f \u043f\u043e\u043b\u043d\u043e\u0442\u044b \u043f\u043e \u0422\u044c\u044e\u0440\u0438\u043d\u0433\u0443 \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u044b \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043d\u0430 \u0441\u0432\u044f\u0437\u043a\u0435 \u0438\u0437 find […]<\/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-118704","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\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\udd47Budowa Turingowsko pe\u0142nego \u015brodowiska obliczeniowego przy u\u017cyciu narz\u0119dzi GNU find i mkdir | ProHoster","description":"Japo\u0144ski programista Keigo Oka udowodni\u0142, \u017ce na podstawie narz\u0119dzi GNU find i mkdir mo\u017cna stworzy\u0107 \u015brodowisko obliczeniowe, kt\u00f3re jest Turingowsko pe\u0142ne, tzn.","canonical_url":"https:\/\/prohoster.info\/pl\/blog\/news\/postroenie-polnoj-po-tyuringu-vychislitelnoj-sredy-pri-pomoshhi-utilit-gnu-find-i-mkdir","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"pl_PL","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u041f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u0438\u0435 \u043f\u043e\u043b\u043d\u043e\u0439 \u043f\u043e \u0422\u044c\u044e\u0440\u0438\u043d\u0433\u0443 \u0432\u044b\u0447\u0438\u0441\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0439 \u0441\u0440\u0435\u0434\u044b \u043f\u0440\u0438 \u043f\u043e\u043c\u043e\u0449\u0438 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