{"id":1404,"date":"2022-08-30T10:37:52","date_gmt":"2022-08-30T10:37:52","guid":{"rendered":"http:\/\/www.liutianfeng.com\/?p=1404"},"modified":"2022-08-30T10:56:06","modified_gmt":"2022-08-30T10:56:06","slug":"shell%e5%b9%b6%e5%8f%91","status":"publish","type":"post","link":"https:\/\/www.liutianfeng.com\/?p=1404","title":{"rendered":"shell\u5e76\u53d1"},"content":{"rendered":"<h4>1. \u5355\u7eaf\u5e76\u53d1<\/h4>\n<pre class=\"pure-highlightjs\"><code class=\"\"># \u5e76\u53d1100\u4e2a\r\nfor ALL_TIMES in {1..100}; do\r\n    {\r\n        echo Hello\r\n        sleep 1\r\n    } &amp;\r\ndone\r\n\r\n# \u7b49\u5f85\u540e\u53f0\u8fdb\u7a0b\u6267\u884c\u5b8c\u6210\r\nwait<\/code><\/pre>\n<p>\u6ce8\uff1a\u8fd9\u6837\u7684\u8bdd\uff0c\u5982\u679c\u6570\u91cf\u592a\u5927\uff0c\u4f1a\u628a\u673a\u5668\u538b\u6b7b\uff0c\u9700\u8981\u52a0\u4e00\u4e2a\u7ba1\u9053<\/p>\n<h4>2. \u7ba1\u9053\u5e76\u53d1<\/h4>\n<pre class=\"pure-highlightjs\"><code class=\"\">#!\/bin\/bash\r\n\r\n# \u521b\u5efafifo\u6587\u4ef6\r\nmkfifo lius.fifo\r\n\r\n# \u7ed1\u5b9afifo\u6587\u4ef6\u52305\u53f7\u6587\u4ef6\u63cf\u8ff0\u7b26, &lt; \u8868\u793a\u5199\u5165, &gt; \u8868\u793a\u8bfb\u53d6, \u65b9\u5411\u662f\u4ee5\u6587\u4ef6\u63cf\u8ff0\u7b26\u4e3a\u57fa\u51c6\r\nexec 5&lt;&gt;lius.fifo\r\n# \u5220\u9664\u8fd9\u4e2afifo\u6587\u4ef6, \u5df2\u7ecf\u6ca1\u7528\u4e86\r\nrm -f lius.fifo\r\n\r\n# \u5199\u516510\u4e2a\u7a7a\u884c\u52305\u53f7\u6587\u4ef6\u63cf\u8ff0\u7b26, fifo\u5e76\u53d1\u662f\u7528\u884c\u6765\u5b9e\u73b0\u7684\r\nfor SPACE_LINE in {1..10}; do\r\n    echo &gt;&amp;5\r\ndone\r\n\r\necho \"StartTime: `date +%s`\"\r\n\r\n# \u5e76\u53d1100\u4e2a, \u7ba1\u9053\u5bb9\u91cf\u4e0a\u9762\u5b9a\u4e49\u7684\u662f10\r\nfor ALL_TIMES in {1..100}; do\r\n    # \u8bfb\u53d65\u53f7\u6587\u4ef6\u63cf\u8ff0\u7b26\r\n    read -u5\r\n        {\r\n            echo Hello\r\n            sleep 1\r\n            # \u6267\u884c\u5b8c\u6210\u4e00\u4e2a, \u9700\u8981\u57285\u53f7\u6587\u4ef6\u63cf\u8ff0\u7b26\u52a0\u4e00\u884c, \u5426\u5219\u6d88\u8d39\u5b8c\u4e8610\u4e2a\u5c31\u6ca1\u6709\u4e86\r\n            echo &gt;&amp;5\r\n        } &amp;\r\ndone\r\n\r\n# \u7b49\u5f85\u540e\u53f0\u8fdb\u7a0b\u6267\u884c\u5b8c\u6210\r\nwait\r\n\r\necho \"EndTime: `date +%s`\"\r\n\r\n# \u89e3\u9664\u7ed1\u5b9a\u5fc5\u987b\u662f\u5206\u5f00\u8fdb\u884c\u7684\r\nexec 5&lt;&amp;-\r\nexec 5&gt;&amp;-<\/code><\/pre>\n<p>&nbsp;<\/p>\n<p>\u8f6c\u8f7d\u8bf7\u6ce8\u660e\uff1a<a href=\"https:\/\/www.liutianfeng.com\">liutianfeng.com<\/a> &raquo; <a href=\"https:\/\/www.liutianfeng.com\/?p=1404\">shell\u5e76\u53d1<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>1. \u5355\u7eaf\u5e76\u53d1 # \u5e76\u53d1100\u4e2a for ALL_TIMES in {1..100}; do { echo H [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[31],"tags":[],"_links":{"self":[{"href":"https:\/\/www.liutianfeng.com\/index.php?rest_route=\/wp\/v2\/posts\/1404"}],"collection":[{"href":"https:\/\/www.liutianfeng.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.liutianfeng.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.liutianfeng.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.liutianfeng.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1404"}],"version-history":[{"count":5,"href":"https:\/\/www.liutianfeng.com\/index.php?rest_route=\/wp\/v2\/posts\/1404\/revisions"}],"predecessor-version":[{"id":1409,"href":"https:\/\/www.liutianfeng.com\/index.php?rest_route=\/wp\/v2\/posts\/1404\/revisions\/1409"}],"wp:attachment":[{"href":"https:\/\/www.liutianfeng.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1404"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.liutianfeng.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1404"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.liutianfeng.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1404"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}