{"id":7026,"date":"2023-10-22T23:50:49","date_gmt":"2023-10-23T02:50:49","guid":{"rendered":"https:\/\/4tuneagencia.digital\/blog\/barevny-a-formatovany-text-v-terminalu-abclinuxu-cz\/"},"modified":"2023-10-22T23:50:49","modified_gmt":"2023-10-23T02:50:49","slug":"barevny-a-formatovany-text-v-terminalu-abclinuxu-cz","status":"publish","type":"post","link":"https:\/\/4tuneagencia.digital\/blog\/barevny-a-formatovany-text-v-terminalu-abclinuxu-cz\/","title":{"rendered":"Barevn\u00fd a form\u00e1tovan\u00fd text v termin\u00e1lu – AbcLinuxu.cz"},"content":{"rendered":"

TuxClocker<\/a> je Qt GUI n\u00e1stroj pro monitorov\u00e1n\u00ed a nastavov\u00e1n\u00ed (p\u0159etaktov\u00e1v\u00e1n\u00ed) hardwaru na Linuxu. Aktu\u00e1ln\u00ed verze je 1.2.1<\/a>.
Open Footwear<\/a>, open source b\u011b\u017eeck\u00e9 boty pod licenc\u00ed Creative Commons (CC BY-SA 4.0).
David Leadbeater se na sv\u00fdch str\u00e1nk\u00e1ch podrobn\u011b rozepsal o (ne)bezpe\u010dnosti emul\u00e1tor\u016f termin\u00e1l\u016f<\/a> vzhledem k ANSI escape k\u00f3d\u016fm<\/a>. V r\u016fzn\u00fdch emul\u00e1torech nalezl 10 kritick\u00fdch bezpe\u010dnostn\u00edch chyb, je\u017e mohou \u00fato\u010dn\u00edci vyu\u017e\u00edt k vzd\u00e1len\u00e9mu spou\u0161t\u011bn\u00ed p\u0159\u00edkaz\u016f (RCE), viz nap\u0159\u00edklad videoz\u00e1znam na YouTube<\/a>, kde spu\u0161t\u011bn\u00ed p\u0159\u00edkazu nslookup vede ke spu\u0161t\u011bn\u00ed kalkula\u010dky. Zkuste vytvo\u0159it soubor evil.sh p\u0159\u00edkazem printf “echo evil #bbbbbbgood  n” > evil.sh. Co ud\u011bl\u00e1 “cat evil.sh” a co “sh evil.sh”?
Ubuntu dnes slav\u00ed 19 let<\/a>. Prvn\u00ed verze, 4.10 s k\u00f3dov\u00fdm n\u00e1zvem Warty Warthog<\/a>, byla vyd\u00e1na 20. \u0159\u00edjna 2004.
Byla vyd\u00e1na verze 0.5.14<\/a> open source hern\u00ed platformy pro Linux Lutris<\/a> (Wikipedie<\/a>). P\u0159ehled novinek v ozn\u00e1men\u00ed na GitHubu<\/a>. Vyp\u00edchnout lze podporu v\u00edce \u00fa\u010dt\u016f slu\u017eby Steam nebo podporu EA App. Instalovat lze tak\u00e9 z Flathubu<\/a>.
Multiplatformn\u00ed program\u00e1torsk\u00fd textov\u00fd editor a IDE Geany<\/a> (Wikipedie<\/a>) v\u010dera oslavil osmn\u00e1ct let od vyd\u00e1n\u00ed prvn\u00ed verze 0.1. P\u0159i t\u00e9to p\u0159\u00edle\u017eitosti byla vyd\u00e1na nov\u00e1 stabiln\u00ed verze 2.0<\/a>. P\u0159ehled novinek v pozn\u00e1mk\u00e1ch k vyd\u00e1n\u00ed<\/a>. Ve verzi 2.0 byl vyd\u00e1n tak\u00e9 bal\u00edk Geany-Plugins<\/a>.
Spole\u010dnost AMD p\u0159edstavila<\/a> (YouTube<\/a>) novou s\u00e9rii procesor\u016f Ryzen Threadripper PRO 7000 WX. Nejv\u00fdkonn\u011bj\u0161\u00ed AMD Ryzen Threadripper PRO 7995WX<\/a> m\u00e1 96 jader a 192 vl\u00e1ken.
Ve \u0161pan\u011blsk\u00e9 A Coru\u0148i dnes kon\u010d\u00ed konference X.Org Developer’s Conference – XDC 2023<\/a> (program<\/a>) v\u00fdvoj\u00e1\u0159\u016f otev\u0159en\u00e9 grafiky (Linux, Mesa, DRM, Wayland, X11, \u2026). Videoz\u00e1znamy jsou k dispozici na YouTube<\/a>.
Asterisk<\/a> (Wikipedie<\/a>), svobodn\u00e1 softwarov\u00e1 implementace telefonn\u00ed \u00fast\u0159edny (PBX), byl vyd\u00e1n ve verzi 21.0.0<\/a>. P\u0159ehled novinek v t\u00e9to nov\u00e9 major verzi v ozn\u00e1men\u00ed<\/a> a na GitHubu<\/a>.
Nov\u00e1 \u010d\u00edsla \u010dasopis\u016f od nakladatelstv\u00ed Raspberry Pi: MagPi 134<\/a> (pdf<\/a>) a HackSpace 71<\/a> (pdf<\/a>).
4. 3. 2010 | David Watzke<\/a> | N\u00e1vody<\/a> | 16758×
V\u011bt\u0161ina un*xov\u00fdch emul\u00e1tor\u016f termin\u00e1lu podporuje \u0159\u00edd\u00edc\u00ed (escape) sekvence ANSI, kter\u00e9 slou\u017e\u00ed (mimo jin\u00e9) k form\u00e1tov\u00e1n\u00ed v\u00fdstupu na textov\u00fdch termin\u00e1lech.
Nejd\u0159\u00edve si pov\u00edme n\u011bco k teorii a pak si uk\u00e1\u017eeme uk\u00e1zky k\u00f3du v r\u016fzn\u00fdch programovac\u00edch jazyc\u00edch. Tato z\u00e1le\u017eitost nen\u00ed multiplatformn\u00ed a na Windows je t\u0159eba postupovat trochu jinak ne\u017e na Linuxu a jin\u00fdch unixov\u00fdch syst\u00e9mech. Ne ka\u017ed\u00fd emul\u00e1tor termin\u00e1lu m\u00e1 implementov\u00e1nu podporu v\u0161ech standardizovan\u00fdch vlastnost\u00ed a aby toho nebylo m\u00e1lo, n\u011bkter\u00e9 vlastnosti dokonce v r\u016fzn\u00fdch termin\u00e1lech d\u011blaj\u00ed r\u016fzn\u00e9 v\u011bci. To v\u00e1m douf\u00e1m posta\u010d\u00ed jako p\u00e1dn\u00fd d\u016fvod k tomu, abyste v p\u0159\u00edpad\u011b, \u017ee pou\u017eijete form\u00e1tov\u00e1n\u00ed ve sv\u00e9m programu, nezapomn\u011bli i na mo\u017enost form\u00e1tov\u00e1n\u00ed \u00fapln\u011b vypnout.
Snad jsem v\u00e1s je\u0161t\u011b neodradil. V praxi to nen\u00ed a\u017e tak hrozn\u00e9. V\u011bt\u0161inou budete cht\u00edt z\u0159ejm\u011b pou\u017e\u00edvat jen z\u00e1kladn\u00ed mo\u017enosti form\u00e1tov\u00e1n\u00ed textu a s t\u011bmi nen\u00ed \u017e\u00e1dn\u00fd probl\u00e9m na hojn\u011b pou\u017e\u00edvan\u00fdch emul\u00e1torech termin\u00e1lu.
Tak\u017ee jak na to? Escapovac\u00ed sekvence se tomu ne\u0159\u00edk\u00e1 jen tak pro nic za nic, escape je toti\u017e znak, kter\u00fd tyto \u0159\u00edd\u00edc\u00ed sekvence zahajuje. Tedy je\u0161t\u011b spolu se znakem \u201e[\u201c, kter\u00fd jej mus\u00ed n\u00e1sledovat. T\u00e9to sekvenci znak\u016f se \u0159\u00edk\u00e1 zkratkou CSI, a to znamen\u00e1 Control Sequence Introducer\/Initiator<\/em> – \u010desky inici\u00e1tor \u0159\u00edd\u00edc\u00ed sekvence<\/em>. Za touto sekvenc\u00ed n\u00e1sleduje samotn\u00fd p\u0159\u00edkaz. My se v tomto \u010dl\u00e1nku budeme zab\u00fdvat pouze p\u0159\u00edkazem ovliv\u0148uj\u00edc\u00edm zobrazen\u00ed textu na termin\u00e1lu. Jeho p\u0159edpis vypad\u00e1 takto:
Mezery jsou v p\u0159edpisu pouze pro p\u0159ehlednost a hranat\u00e1 z\u00e1vorka zna\u010d\u00ed volitelnost. A co to znamen\u00e1? CSI<\/tt> je zmi\u0148ovan\u00e1 zahajovac\u00ed sekvence, tedy ESC+[<\/code>. P\u00edsmena \u201ea\u201c a \u201eb\u201c jsou parametry, kter\u00e9 nahrad\u00edme za \u010d\u00edsla. Za jak\u00e1? To z\u00e1le\u017e\u00ed na tom, co od p\u0159\u00edkazu o\u010dek\u00e1v\u00e1te. Mo\u017enosti jsou vypsan\u00e9 v tabulce n\u00ed\u017ee. Za parametry je t\u0159eba d\u00e1t p\u00edsmeno \u201em\u201c tak, jak je.
A te\u010f kdy\u017e kone\u010dn\u011b prozrad\u00edm, jak napsat znak escape, tak si to budeme moci p\u0159edv\u00e9st. M\u00e1te t\u0159i mo\u017enosti, jak napsat escape, bu\u010f \u000033<\/code> (um\u00edst\u011bn\u00ed znaku escape v ASCII tabulce zaps\u00e1no v osmi\u010dkov\u00e9 soustav\u011b je 33), x1b<\/code> (um\u00edst\u011bn\u00ed znaku v ASCII tabulce zaps\u00e1no v \u0161estn\u00e1ctkov\u00e9 soustav\u011b je 1B) nebo e<\/code> (styl jazyka C), co\u017e je nestandardn\u00ed (a n\u011bkde nepodporovan\u00fd), ale pom\u011brn\u011b roz\u0161\u00ed\u0159en\u00fd z\u00e1pis (dostupn\u00fd nejen v C).
Jak je vid\u011bt, v tomto p\u0159\u00edpad\u011b pou\u017e\u00edv\u00e1me pouze parametr \u201ea\u201c (z p\u0159edpisu v\u00fd\u0161e). Kdy\u017e pou\u017eijeme z\u00e1rove\u0148 i parametr \u201eb\u201c, m\u016f\u017eeme nastavit dv\u011b atributy najednou stylem \u201ea;b\u201c, tak\u017ee to pak cel\u00e9 vypad\u00e1 takto: \u000033[a<\/b>;b<\/b>m<\/code>, p\u0159i\u010dem\u017e za \u201ea\u201c a \u201eb\u201c dosad\u00edme \u010d\u00edseln\u00e9 hodnoty. N\u00e1sleduje v\u00fdb\u011br ze seznamu mo\u017en\u00fdch hodnot parametr\u016f:
U v\u00fd\u0161e zm\u00edn\u011bn\u00fdch rozsah\u016f hodnot nen\u00ed jasn\u00e9, kter\u00e1 hodnota n\u00e1le\u017e\u00ed kter\u00e9 barv\u011b. Proto n\u00e1sleduje tabulka barev:
P\u0159id\u00e1m je\u0161t\u011b n\u011bkolik uk\u00e1zkov\u00fdch parametr\u016f, abyste si mohli ov\u011b\u0159it, \u017ee to cel\u00e9 ch\u00e1pete spr\u00e1vn\u011b:
Uk\u00e1zkov\u00e9 sekvence s ob\u011bma parametry:
Pozn\u00e1mka<\/b>: Nikdy nezapom\u00ednejte ukon\u010dovat form\u00e1tov\u00e1n\u00ed pomoc\u00ed \u000033[0<\/b>m<\/code>.
Nyn\u00ed p\u0159ejdeme k uk\u00e1zk\u00e1m z praxe.
V Bashi lze barevn\u00fd text vypisovat pomoc\u00ed p\u0159\u00edkazu echo<\/a> s p\u0159ep\u00edna\u010dem -e<\/tt>.
\"barvy<\/a> \"barvy<\/a>
V Pythonu m\u016f\u017eete pou\u017e\u00edt funkci print()<\/tt>.
V Perlu lze tak\u00e9 pou\u017e\u00edt funkci print()<\/tt>.
PuTTY na Symbianu je uk\u00e1zkou toho, \u017ee ne v\u0161ude v\u0161echny atributy funguj\u00ed. (Tu\u010dn\u00fd text se zobraz\u00ed jako norm\u00e1ln\u00ed.)
\"barvy
Lze pou\u017e\u00edt funkce printf()<\/tt> z C nebo std::cout<\/tt> z C++.
N\u00e1stroje<\/b>: Tisk bez diskuse<\/a>
Tiskni<\/a> Sd\u00edlej: \"Linkuj\"<\/a> \"Jaggni<\/a> \"Vybrali.sme.sk\"<\/a> \"Google\"<\/a> \"Del.icio.us\"<\/a> \"Facebook\"<\/a> <\/span>
Vlo\u017eit dal\u0161\u00ed koment\u00e1\u0159 <\/a> <\/p>\n

Zalo\u017eit nov\u00e9 vl\u00e1kno<\/a> • Nahoru<\/a> <\/p>\n

source<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

TuxClocker je Qt GUI n\u00e1stroj pro monitorov\u00e1n\u00ed a nastavov\u00e1n\u00ed (p\u0159etaktov\u00e1v\u00e1n\u00ed) hardwaru na Linuxu. Aktu\u00e1ln\u00ed verze je 1.2.1.Open Footwear, open source b\u011b\u017eeck\u00e9 boty pod licenc\u00ed Creative Commons (CC BY-SA 4.0).David Leadbeater se na sv\u00fdch str\u00e1nk\u00e1ch podrobn\u011b rozepsal o (ne)bezpe\u010dnosti emul\u00e1tor\u016f termin\u00e1l\u016f vzhledem k ANSI escape k\u00f3d\u016fm. V r\u016fzn\u00fdch emul\u00e1torech nalezl 10 kritick\u00fdch bezpe\u010dnostn\u00edch chyb, je\u017e mohou…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[31],"tags":[70],"class_list":["post-7026","post","type-post","status-publish","format-standard","hentry","category-design","tag-designer"],"yoast_head":"\nBarevn\u00fd a form\u00e1tovan\u00fd text v termin\u00e1lu - AbcLinuxu.cz - 4tuneagencia.digital<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/4tuneagencia.digital\/blog\/barevny-a-formatovany-text-v-terminalu-abclinuxu-cz\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Barevn\u00fd a form\u00e1tovan\u00fd text v termin\u00e1lu - AbcLinuxu.cz\" \/>\n<meta property=\"og:description\" content=\"TuxClocker je Qt GUI n\u00e1stroj pro monitorov\u00e1n\u00ed a nastavov\u00e1n\u00ed (p\u0159etaktov\u00e1v\u00e1n\u00ed) hardwaru na Linuxu. Aktu\u00e1ln\u00ed verze je 1.2.1.Open Footwear, open source b\u011b\u017eeck\u00e9 boty pod licenc\u00ed Creative Commons (CC BY-SA 4.0).David Leadbeater se na sv\u00fdch str\u00e1nk\u00e1ch podrobn\u011b rozepsal o (ne)bezpe\u010dnosti emul\u00e1tor\u016f termin\u00e1l\u016f vzhledem k ANSI escape k\u00f3d\u016fm. 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Aktu\u00e1ln\u00ed verze je 1.2.1.Open Footwear, open source b\u011b\u017eeck\u00e9 boty pod licenc\u00ed Creative Commons (CC BY-SA 4.0).David Leadbeater se na sv\u00fdch str\u00e1nk\u00e1ch podrobn\u011b rozepsal o (ne)bezpe\u010dnosti emul\u00e1tor\u016f termin\u00e1l\u016f vzhledem k ANSI escape k\u00f3d\u016fm. V r\u016fzn\u00fdch emul\u00e1torech nalezl 10 kritick\u00fdch bezpe\u010dnostn\u00edch chyb, je\u017e mohou...","og_url":"https:\/\/4tuneagencia.digital\/blog\/barevny-a-formatovany-text-v-terminalu-abclinuxu-cz\/","og_site_name":"4tuneagencia.digital","article_published_time":"2023-10-23T02:50:49+00:00","author":"4tune","twitter_card":"summary_large_image","twitter_misc":{"Escrito por":"4tune","Est. tempo de leitura":"6 minutos"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/4tuneagencia.digital\/blog\/barevny-a-formatovany-text-v-terminalu-abclinuxu-cz\/#article","isPartOf":{"@id":"https:\/\/4tuneagencia.digital\/blog\/barevny-a-formatovany-text-v-terminalu-abclinuxu-cz\/"},"author":{"name":"4tune","@id":"https:\/\/4tuneagencia.digital\/blog\/#\/schema\/person\/7c40d2e8b9964c2390122613459c2100"},"headline":"Barevn\u00fd a form\u00e1tovan\u00fd text v termin\u00e1lu – AbcLinuxu.cz","datePublished":"2023-10-23T02:50:49+00:00","dateModified":"2023-10-23T02:50:49+00:00","mainEntityOfPage":{"@id":"https:\/\/4tuneagencia.digital\/blog\/barevny-a-formatovany-text-v-terminalu-abclinuxu-cz\/"},"wordCount":1104,"commentCount":0,"publisher":{"@id":"https:\/\/4tuneagencia.digital\/blog\/#organization"},"keywords":["Designer"],"articleSection":["Design"],"inLanguage":"pt-BR","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/4tuneagencia.digital\/blog\/barevny-a-formatovany-text-v-terminalu-abclinuxu-cz\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/4tuneagencia.digital\/blog\/barevny-a-formatovany-text-v-terminalu-abclinuxu-cz\/","url":"https:\/\/4tuneagencia.digital\/blog\/barevny-a-formatovany-text-v-terminalu-abclinuxu-cz\/","name":"Barevn\u00fd a form\u00e1tovan\u00fd text v termin\u00e1lu - 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