{"id":93,"date":"2021-10-14T22:39:29","date_gmt":"2021-10-14T13:39:29","guid":{"rendered":"https:\/\/th0x0472.net\/?p=93"},"modified":"2021-10-14T22:39:29","modified_gmt":"2021-10-14T13:39:29","slug":"seq-%e3%82%92%e3%82%84%e3%81%a3%e3%81%9f%e3%82%89%e6%ac%a1%e3%81%af%e3%82%b3%e3%83%ac%e3%81%97%e3%81%8b%e3%81%aa%e3%81%84%e3%81%98%e3%82%83%e3%81%aa%e3%81%84","status":"publish","type":"post","link":"https:\/\/th0x0472.net\/index.php\/2021\/10\/14\/93\/","title":{"rendered":"seq \u3092\u3084\u3063\u305f\u3089\u6b21\u306f\u30b3\u30ec\u3057\u304b\u306a\u3044\u3058\u3083\u306a\u3044"},"content":{"rendered":"<p><a href=\"https:\/\/10th.madoka-magica.com\/\" target=\"_blank\" rel=\"noopener\"><\/a>seq \u3092\u3084\u3063\u305f\u3089\u6b21\u306f\u30b3\u30ec\u3057\u304b\u306a\u3044\u3058\u3083\u306a\u3044\u3001\u3068\u3044\u3046\u308f\u3051\u3067\u3001Bash\u306e\u30d6\u30ec\u30fc\u30b9\u5c55\u958b\u3067\u6570\u5b57\u306e\u5217\u3092\u751f\u6210\u3057\u307e\u3059\u3002\uff08<a href=\"https:\/\/10th.madoka-magica.com\/\" target=\"_blank\" rel=\"noopener\">\u307e\u3069\u30de\u30ae10\u5468\u5e74<\/a>\u304a\u3081\u3067\u3068\u3046\u3054\u3056\u3044\u307e\u3059\u3002\uff09<!--more--><\/p>\n<p>\u8272\u3005\u3067\u304d\u308bBash\u306e\u30d6\u30ec\u30fc\u30b9\u5c55\u958b\u3067\u3059\u304c\u3001\u5f53\u7136\u306e\u3054\u3068\u304f\u6570\u5b57\u306e\u5217\u3082\u751f\u6210\u3067\u304d\u307e\u3059\u3002<br \/>\n\u300cseq\u30b3\u30de\u30f3\u30c9\u304c\u3042\u308b\u306e\u306b\u306a\u305c\uff1f\u300d\u3068\u3044\u3046\u306e\u306f<strong>\u611a\u554f\u3067\u3059\u3002\u6a5f\u80fd\u304c\u3042\u308b\u306a\u3089\u8a66\u3055\u305a\u306b\u306f\u3044\u3089\u308c\u306a\u3044\u306e\u3067\u3059\u3002<\/strong><\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>$ echo {1..10}\r\n1 2 3 4 5 6 7 8 9 10\r\n<\/code><\/pre>\n<\/div>\n<p>seq \u3068\u9055\u3063\u3066\u59cb\u307e\u308a\u3068\u7d42\u308f\u308a\u3092\u4e21\u65b9\u5fc5\u305a\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<br \/>\n\u306a\u304a\u4eca\u56de\u306f\u6b21\u306eVer.\u306eBash\u3092\u4f7f\u3063\u3066\u304a\u5c4a\u3051\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>$ LANG=C bash --version\r\nGNU bash, version 5.1.4(1)-release (x86_64-pc-linux-gnu)\r\n<\/code><\/pre>\n<\/div>\n<p>\u982d\u306b0\u3092\u3064\u3051\u3066\u6841\u3092\u63c3\u3048\u308b\u306e\u3082\u51fa\u6765\u307e\u3059\u3002<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>$ echo {01..10}\r\n01 02 03 04 05 06 07 08 09 10<\/code><\/pre>\n<\/div>\n<p>\u305d\u3057\u3066\u6700\u8fd1HackerRank\u306e\u30c7\u30a3\u30b9\u30ab\u30c3\u30b7\u30e7\u30f3\u30da\u30fc\u30b8\u3067\u77e5\u3063\u305f\u306e\u3067\u3059\u304c\u30013\u3064\u76ee\u306e\u6570\u5024\u3092\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>$ echo {1..10..2}\r\n1 3 5 7 9\r\n$ echo {10..1..-1}\r\n10 9 8 7 6 5 4 3 2 1<\/code><\/pre>\n<\/div>\n<p>\u3060\u3044\u3076seq\u30b3\u30de\u30f3\u30c9\u306b\u8fd1\u3044\u3053\u3068\u304c\u3067\u304d\u308b\u2026\u3088\u3046\u306b\u601d\u3048\u308b\u306e\u3067\u3059\u304c\u3001\u5c0f\u6570\u306f\u6307\u5b9a\u3067\u304d\u306a\u3044\u3042\u305f\u308a\uff08\u5c11\u306a\u304f\u3068\u3082\u79c1\u306b\u306f\u51fa\u6765\u306a\u3044\uff09\u3001seq\u306e\u307b\u3046\u304c\u9ad8\u6a5f\u80fd\u3067\u3059\u3002<\/p>\n<p>\u3055\u3066\u3001\u4f3c\u305f\u3088\u3046\u306a\u3053\u3068\u304c\u3067\u304d\u308b\u306a\u3089\u6c17\u306b\u306a\u308b\u306e\u304c\u3001\u3069\u3061\u3089\u304c\u901f\u3044\u306e\u304b\u3001\u3067\u3059\u3002<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>$ time echo {1..1000000} &gt;\/dev\/null\r\nreal 0m0.556s\r\nuser 0m0.548s\r\nsys 0m0.008s\r\n$ time seq 1 1000000 &gt;\/dev\/null\r\nreal 0m0.028s\r\nuser 0m0.016s\r\nsys 0m0.011s<\/code><\/pre>\n<\/div>\n<p>\u30cf\u30a4\u3001seq\u306e\u307b\u3046\u304c\u5727\u5012\u7684\u306b\u901f\u304b\u3063\u305f\u3067\u3059\u3002sys\u304c\u3061\u3087\u3063\u3068\u3060\u3051\u30d6\u30ec\u30fc\u30b9\u5c55\u958b\u306e\u307b\u3046\u304c\u51e6\u7406\u304c\u8efd\u3044\u307f\u305f\u3044\u3067\u3059\u304c\u3001\u307b\u307c\u8aa4\u5dee\u3068\u8a00\u3063\u3066\u3088\u3044\u304b\u3068\u3002<\/p>\n<p>\u3067\u3001\u524d\u3005\u304b\u3089\u611f\u3058\u3066\u3044\u305f\u3093\u3067\u3059\u3051\u3069\u3001\u30bf\u30fc\u30df\u30ca\u30eb\u306b\u51fa\u529b\u3059\u308b\u306e\u3063\u3066\u91cd\u3044\u51e6\u7406\u306a\u3093\u3067\u3059\u306d\u3002<br \/>\n\uff08\u305f\u3068\u3048\u3070tar xf\u3068tar xvf\u306e\u9055\u3044\u3068\u304b\uff09<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>$ time seq 1 1000000\r\n-- snip --\r\nreal 0m0.933s\r\nuser 0m0.013s\r\nsys 0m0.439s<\/code><\/pre>\n<\/div>\n<p>\u30bf\u30fc\u30df\u30ca\u30eb\u306b\u51fa\u529b\u3059\u308b\u3060\u3051\u3067\u30b3\u30ec\u3060\u3051\u9055\u3044\u304c\u51fa\u307e\u3059\u3002\u6ce8\u76ee\u306fsys\u3067\u3057\u3087\u3046\u304b\u3002<br \/>\n\u3061\u306a\u307f\u306b\u4e0a\u8a18\u3001\u6539\u884c\u3092\u5916\u3059\u3060\u3051\u3067\u3082\u9055\u3044\u304c\u51fa\u307e\u3059\u3002<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>$ time seq -s' ' 1 1000000\r\n-- snip --\r\nreal 0m0.570s\r\nuser 0m0.009s\r\nsys 0m0.067s<\/code><\/pre>\n<\/div>\n<p>\u30db\u30f3\u30c8\u306fGNU\u7248\u306etime\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u3063\u3066\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u306a\u3093\u304b\u3082\u6bd4\u8f03\u3057\u305f\u3044\u3068\u3053\u308d\u3067\u3059\u304c\u3001\u4eca\u65e5\u306f\u3082\u3046\u9045\u3044\u306e\u3067\u3053\u306e\u304f\u3089\u3044\u3067\u3002\uff08\u30db\u30f3\u30c8\u306fGNU\u7248time\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u3044\u3053\u306a\u305b\u3066\u306a\u3044\u306e\u3067\u5f8c\u65e5\u3002\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"<p>seq \u3092\u3084\u3063\u305f\u3089\u6b21\u306f\u30b3\u30ec\u3057\u304b\u306a\u3044\u3058\u3083\u306a\u3044\u3001\u3068\u3044\u3046\u308f\u3051\u3067\u3001Bash\u306e\u30d6\u30ec\u30fc\u30b9\u5c55\u958b\u3067\u6570\u5b57\u306e\u5217\u3092\u751f\u6210\u3057\u307e\u3059\u3002\uff08\u307e\u3069\u30de\u30ae10\u5468\u5e74\u304a\u3081\u3067\u3068\u3046\u3054\u3056\u3044\u307e\u3059\u3002\uff09<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,4],"tags":[],"class_list":["post-93","post","type-post","status-publish","format-standard","hentry","category-blog","category-linux"],"_links":{"self":[{"href":"https:\/\/th0x0472.net\/index.php\/wp-json\/wp\/v2\/posts\/93","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/th0x0472.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/th0x0472.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/th0x0472.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/th0x0472.net\/index.php\/wp-json\/wp\/v2\/comments?post=93"}],"version-history":[{"count":2,"href":"https:\/\/th0x0472.net\/index.php\/wp-json\/wp\/v2\/posts\/93\/revisions"}],"predecessor-version":[{"id":95,"href":"https:\/\/th0x0472.net\/index.php\/wp-json\/wp\/v2\/posts\/93\/revisions\/95"}],"wp:attachment":[{"href":"https:\/\/th0x0472.net\/index.php\/wp-json\/wp\/v2\/media?parent=93"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/th0x0472.net\/index.php\/wp-json\/wp\/v2\/categories?post=93"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/th0x0472.net\/index.php\/wp-json\/wp\/v2\/tags?post=93"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}