{"id":183354,"date":"2026-09-15T22:54:35","date_gmt":"2026-09-15T20:54:35","guid":{"rendered":"https:\/\/prohoster.info\/blog\/news\/vypusk-gnu-coreutils-9-12"},"modified":"2026-09-15T22:54:39","modified_gmt":"2026-09-15T20:54:39","slug":"gnu-coreutils-9-12-released","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/gnu-coreutils-9-12-released","title":{"rendered":"Vyd\u00e1n\u00ed GNU Coreutils 9.12","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"
K dispozici je stabiln\u00ed verze sady z\u00e1kladn\u00edch syst\u00e9mov\u00fdch utilit GNU Coreutils 9.12, kter\u00e1 zahrnuje programy jako sort, cat, chmod, chown, chroot, cp, date, dd, echo, hostname, id, ln a ls. <\/p>\n
Hlavn\u00ed novinky: <\/p>\n
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Do n\u00e1stroje env byla p\u0159id\u00e1na volba «—env0-from=FILE» pro na\u010d\u00edt\u00e1n\u00ed seznamu instalovan\u00fdch prom\u011bnn\u00fdch prost\u0159ed\u00ed z souboru, kter\u00fd lze tak\u00e9 pou\u017e\u00edt k filtrov\u00e1n\u00ed existuj\u00edc\u00edch prom\u011bnn\u00fdch prost\u0159ed\u00ed p\u0159\u00edkazem typu «env -i —env0-from=<( env -0 | sed -z … )». Pro ulo\u017een\u00ed stavu prom\u011bnn\u00fdch prost\u0159ed\u00ed do souboru m\u016f\u017ee b\u00fdt pou\u017eito n\u00e1stroje printenv.\n
V p\u0159\u00edkazech ‘env’, ‘printenv’, ‘stat’, ‘basename’, ‘dirname’, ‘du’, ‘readlink’ a ‘realpath’ se nyn\u00ed p\u0159i v\u00fdstupu na termin\u00e1l pou\u017e\u00edv\u00e1 escapov\u00e1n\u00ed speci\u00e1ln\u00edch znak\u016f, kter\u00e9 odpov\u00eddaj\u00ed stylu nastaven\u00e9mu prost\u0159ednictv\u00edm prom\u011bnn\u00e9 prost\u0159ed\u00ed QUOTING_STYLE (%N, %Qn nebo %n). Escapov\u00e1n\u00ed bylo p\u0159id\u00e1no kv\u016fli ochran\u011b proti manipulaci s obsahem a stavem termin\u00e1lu prost\u0159ednictv\u00edm substituce speci\u00e1ln\u00edch znak\u016f. <\/p>\n
V n\u00e1stroj\u00edch ‘df’, ‘du’, ‘ls’, ‘od’, ‘pr’ a ‘sort’ bylo zrealizov\u00e1no escapov\u00e1n\u00ed problematick\u00fdch voleb v chybov\u00fdch hl\u00e1\u0161en\u00edch.\n
V p\u0159\u00edkazu ‘ls -m’ bylo zaji\u0161t\u011bno escapov\u00e1n\u00ed \u010d\u00e1rek v n\u00e1zvech soubor\u016f.\n
N\u00e1stroje ‘chcon’, ‘chgrp’, ‘chmod’, ‘chown’, ‘du’ a ‘ls’ p\u0159i prov\u00e1d\u011bn\u00ed rekurzivn\u00edch operac\u00ed s pou\u017eit\u00edm volby «-R» ji\u017e neskon\u010d\u00ed chybou v p\u0159\u00edpad\u011b paraleln\u00edho maz\u00e1n\u00ed soubor\u016f v zpracov\u00e1van\u00fdch adres\u00e1\u0159\u00edch.\n
V utilit\u011b sort bylo optimalizov\u00e1no vyu\u017eit\u00ed pam\u011bti a v\u00fdkonu paraleln\u00edch operac\u00ed p\u0159i \u010dten\u00ed dat, jejich\u017e velikost nen\u00ed p\u0159edem zn\u00e1ma, nap\u0159\u00edklad p\u0159i p\u0159enosu dat p\u0159es nejmenovan\u00e9 kan\u00e1ly.\n
Byla provedena optimalizace zji\u0161\u0165ov\u00e1n\u00ed za\u010d\u00e1tku \u0159\u00e1dku v p\u0159\u00edkazu ‘cut -w’, co\u017e umo\u017enilo a\u017e \u010dty\u0159n\u00e1sobn\u00e9 zv\u00fd\u0161en\u00ed propustnosti p\u0159i pou\u017eit\u00ed lokalit s v\u00edcebajtov\u00fdmi k\u00f3dov\u00e1n\u00edmi.\n
A\u017e 2.5kr\u00e1t byla zrychlena pr\u00e1ce p\u0159\u00edkazu ‘uniq -c’ na syst\u00e9mech s funkcemi stdio bez zamyk\u00e1n\u00ed.\n
Byla p\u0159id\u00e1na buildovac\u00ed volba ‘—with-wtmpdb’, p\u0159i kter\u00e9 se v p\u0159\u00edpad\u011b spu\u0161t\u011bn\u00ed p\u0159\u00edkaz\u016f ‘who \/var\/log\/wtmp’ a ‘users \/var\/log\/wtmp’ pou\u017e\u00edv\u00e1 datab\u00e1ze ve form\u00e1tu wtmpdb m\u00edsto souboru \/var\/log\/wtmp. <\/ul>\n