{"id":4574,"date":"2023-12-24T15:52:01","date_gmt":"2023-12-24T07:52:01","guid":{"rendered":"https:\/\/ellery.no-ip.info\/wp\/thinkingmore\/?p=4574"},"modified":"2023-12-24T15:52:02","modified_gmt":"2023-12-24T07:52:02","slug":"bash-script%e5%8f%96%e4%ba%82%e6%95%b8","status":"publish","type":"post","link":"https:\/\/ellery.no-ip.info\/wp\/thinkingmore\/2023\/12\/bash-script%e5%8f%96%e4%ba%82%e6%95%b8\/","title":{"rendered":"bash script\u53d6\u4e82\u6578"},"content":{"rendered":"\n<p>\u5728 bash script \u88e1\uff0c\u53ef\u4ee5\u7528 <code>${RANDOM}<\/code> \u53d6\u4e82\u6578\uff0c\u4f8b\u5982<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>echo \"random number: ${RANDOM}\"<\/code><\/pre>\n\n\n\n<p>\u5c31\u6703\u51fa\u73fe\u4e00\u500b\u96a8\u6a5f\u7684\u6578\u5b57\u3002<\/p>\n\n\n\n<p>\u90a3\u5982\u679c\u60f3\u9650\u5236\u5728 20~40 \u9019\u500b\u7bc4\u570d\u5167\u7684\u8a71\uff0c\u53ef\u4ee5\u600e\u9ebc\u505a\u5462\uff1f\u9019\u6642\u5019\u53ef\u4ee5\u7528 bash \u7684 % \uff0c\u53d6\u9918\u6578\u7684\u904b\u7b97\u5b50\u4f86\u505a\uff0c\u4f8b\u5982<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>echo \"random number(0~10): $((20 + RANDOM % 20))\"<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u53c3\u8003\u8cc7\u6599<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/serverfault.com\/questions\/347582\/adding-a-random-delay-for-a-linux-command\">Adding a random delay for a Linux command<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 bash script \u88e1\uff0c\u53ef\u4ee5\u7528 ${RANDOM} \u53d6\u4e82\u6578\uff0c\u4f8b\u5982 \u5c31\u6703\u51fa\u73fe\u4e00\u500b\u96a8\u6a5f\u7684\u6578\u5b57\u3002 \u90a3\u5982\u679c\u60f3\u9650\u5236\u5728 20~40 \u9019\u500b\u7bc4\u570d\u5167\u7684\u8a71\uff0c\u53ef\u4ee5\u600e\u9ebc\u505a\u5462\uff1f\u9019\u6642\u5019\u53ef\u4ee5\u7528 bash \u7684 % \uff0c\u53d6\u9918\u6578\u7684\u904b\u7b97\u5b50\u4f86\u505a\uff0c\u4f8b\u5982 \u53c3\u8003\u8cc7\u6599<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[8],"tags":[69,29],"class_list":["post-4574","post","type-post","status-publish","format-standard","hentry","category-linux-","tag-bash","tag-linux"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p2MOxp-1bM","_links":{"self":[{"href":"https:\/\/ellery.no-ip.info\/wp\/thinkingmore\/wp-json\/wp\/v2\/posts\/4574","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ellery.no-ip.info\/wp\/thinkingmore\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ellery.no-ip.info\/wp\/thinkingmore\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ellery.no-ip.info\/wp\/thinkingmore\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ellery.no-ip.info\/wp\/thinkingmore\/wp-json\/wp\/v2\/comments?post=4574"}],"version-history":[{"count":1,"href":"https:\/\/ellery.no-ip.info\/wp\/thinkingmore\/wp-json\/wp\/v2\/posts\/4574\/revisions"}],"predecessor-version":[{"id":4575,"href":"https:\/\/ellery.no-ip.info\/wp\/thinkingmore\/wp-json\/wp\/v2\/posts\/4574\/revisions\/4575"}],"wp:attachment":[{"href":"https:\/\/ellery.no-ip.info\/wp\/thinkingmore\/wp-json\/wp\/v2\/media?parent=4574"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ellery.no-ip.info\/wp\/thinkingmore\/wp-json\/wp\/v2\/categories?post=4574"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ellery.no-ip.info\/wp\/thinkingmore\/wp-json\/wp\/v2\/tags?post=4574"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}