{"id":33671,"date":"2023-02-11T17:28:40","date_gmt":"2023-02-11T11:58:40","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-convert-binary-octal-decimal-and-hexadecimal-values-between-each-other-in-bash-shell-duplicate\/"},"modified":"2023-02-11T17:28:40","modified_gmt":"2023-02-11T11:58:40","slug":"solved-convert-binary-octal-decimal-and-hexadecimal-values-between-each-other-in-bash-shell-duplicate","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-convert-binary-octal-decimal-and-hexadecimal-values-between-each-other-in-bash-shell-duplicate\/","title":{"rendered":"[Solved] Convert binary, octal, decimal and hexadecimal values between each other in BASH \/ Shell [duplicate]"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-73889270\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"73889270\" data-parentid=\"73889269\" data-score=\"1\" data-position-on-page=\"1\" data-highest-scored=\"1\" data-question-has-accepted-highest-score=\"1\" itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div class=\"post-layout\">\n<div class=\"votecell post-layout--left\"><\/div>\n<div class=\"answercell post-layout--right\">\n<div class=\"s-prose js-post-body\" itemprop=\"text\">\n<h2>Convert binary, octal, decimal and hexadecimal values between each other in BASH with <code>bc<\/code> and <code>printf<\/code><\/h2>\n<ol start=\"0\">\n<li>Some relevant Q&amp;A:<\/li>\n<\/ol>\n<ul>\n<li><a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/unix.stackexchange.com\/questions\/199615\/understand-ibase-and-obase-in-case-of-conversions-with-bc\">Understand &#8220;ibase&#8221; and &#8220;obase&#8221; in case of conversions with bc?<\/a>\n<ul>\n<li>TL;DR: <code>ibase<\/code> and <code>obase<\/code> params order matters, but not always. Hex values must be in UPPERCASE.<\/li>\n<\/ul>\n<\/li>\n<li>Convert a character from and to its decimal, binary, octal, or hexadecimal representations in BASH \/ Shell<\/li>\n<\/ul>\n<h4>Convert decimal to hexadecimal in BASH. Examples<\/h4>\n<pre class=\"lang-bash prettyprint-override\"><code>echo \"obase=16; 255\" | bc\nFF\necho \"ibase=10; obase=16; 255\" | bc\nFF\necho \"obase=16; ibase=10; 255\" | bc\nFF\nprintf \"%x %08x %#x %#08x %X %08X %#X %#08X\" {255,255,255,255,255,255,255,255}\nff 000000ff 0xff 0x0000ff FF 000000FF 0XFF 0X0000FF\n<\/code><\/pre>\n<h4>Convert hexadecimal to decimal in BASH. Examples<\/h4>\n<pre class=\"lang-bash prettyprint-override\"><code>echo \"ibase=16; FF\" | bc\n255\necho \"ibase=16; obase=10; FF\" | bc # wrong\nFF\necho \"obase=10; ibase=16; FF\" | bc\n255\nprintf \"%d \" {0XFF,0X000000FF,0xff,0x000000ff}\n255 255 255 255\necho $((16#FF))\n255\n<\/code><\/pre>\n<h4>Convert hexadecimal to binary in BASH. Examples<\/h4>\n<pre class=\"lang-bash prettyprint-override\"><code>echo \"ibase=16; obase=2; FF\" | bc\n11111111\necho \"obase=2; ibase=16; FF\" | bc\n11111111\n<\/code><\/pre>\n<h4>Convert binary to hexadecimal in BASH. Examples<\/h4>\n<pre class=\"lang-bash prettyprint-override\"><code>echo \"obase=16; ibase=2; 11111111\" | bc\nFF\necho \"ibase=2; obase=16; 11111111\" | bc # wrong\n100110\n<\/code><\/pre>\n<h4>Convert hexadecimal to octal in BASH. Examples<\/h4>\n<pre class=\"lang-bash prettyprint-override\"><code>echo \"ibase=16; obase=8; FF\" | bc\n377\necho \"obase=8; ibase=16; FF\" | bc\n377\nprintf \"%o \" {0XFF,0X000000FF,0xff,0x000000ff}\n377 377 377 377\nprintf \"%#o \" {0XFF,0X000000FF,0xff,0x000000ff}\n0377 0377 0377 0377\nprintf \"%08o \" {0XFF,0X000000FF,0xff,0x000000ff}\n00000377 00000377 00000377 00000377\n<\/code><\/pre>\n<h4>Convert octal to hexadecimal in BASH. Examples<\/h4>\n<pre class=\"lang-bash prettyprint-override\"><code>echo \"obase=16; ibase=8; 377\" | bc\nFF\necho \"ibase=8; obase=16; 377\" | bc # wrong\n143\nprintf \"%x %08x %#x %#08x %X %08X %#X %#08X\" {0377,0377,0377,0377,0377,0377,0377,0377}\nff 000000ff 0xff 0x0000ff FF 000000FF 0XFF 0X0000FF\n<\/code><\/pre>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\"><\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved Convert binary, octal, decimal and hexadecimal values between each other in BASH \/ Shell [duplicate] <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] Convert binary, octal, decimal and hexadecimal values between each other in BASH with bc and printf Some relevant Q&amp;A: Understand &#8220;ibase&#8221; and &#8220;obase&#8221; in case of conversions with bc? TL;DR: ibase and obase params order matters, but not always. Hex values must be in UPPERCASE. Convert a character from and to its decimal, binary, &#8230; <a title=\"[Solved] Convert binary, octal, decimal and hexadecimal values between each other in BASH \/ Shell [duplicate]\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-convert-binary-octal-decimal-and-hexadecimal-values-between-each-other-in-bash-shell-duplicate\/\" aria-label=\"More on [Solved] Convert binary, octal, decimal and hexadecimal values between each other in BASH \/ Shell [duplicate]\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[1042,5994,633,3556,584],"class_list":["post-33671","post","type-post","status-publish","format-standard","hentry","category-solved","tag-bash","tag-bc","tag-hex","tag-octal","tag-printf"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>[Solved] Convert binary, octal, decimal and hexadecimal values between each other in BASH \/ Shell [duplicate] - JassWeb<\/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:\/\/jassweb.com\/solved\/solved-convert-binary-octal-decimal-and-hexadecimal-values-between-each-other-in-bash-shell-duplicate\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] Convert binary, octal, decimal and hexadecimal values between each other in BASH \/ Shell [duplicate] - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] Convert binary, octal, decimal and hexadecimal values between each other in BASH with bc and printf Some relevant Q&amp;A: Understand &#8220;ibase&#8221; and &#8220;obase&#8221; in case of conversions with bc? 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