{"id":13500,"date":"2024-05-21T09:21:06","date_gmt":"2024-05-21T01:21:06","guid":{"rendered":"http:\/\/xinyiworld.top\/wordpress_it\/?p=13500"},"modified":"2024-11-05T09:56:26","modified_gmt":"2024-11-05T01:56:26","slug":"%e5%ad%97%e7%ac%a6%e4%b8%b2%e6%8c%87%e4%bb%a4%e7%bb%bc%e5%90%88%e5%ae%9e%e6%88%98","status":"publish","type":"post","link":"http:\/\/xinyiworld.top\/wordpress_it\/?p=13500","title":{"rendered":"\u5b57\u7b26\u4e32\u6307\u4ee4\u7efc\u5408\u5b9e\u6218"},"content":{"rendered":"<p><a href=\"https:\/\/blog.csdn.net\/m0_67771087\/article\/details\/141935847\">https:\/\/blog.csdn.net\/m0_67771087\/article\/details\/141935847<\/a><\/p>\n<h2>1.\u53d6\u7b2c\u4e00\u884c\u548c\u6700\u540e\u4e00\u884c<\/h2>\n<p>\u53d6\u7b2c\u4e00\u884c\uff1a<br \/>\n<code>cat hello.txt | head -n 1<\/code><\/p>\n<p>\u53d6\u6700\u540e\u4e00\u884c\uff1a<br \/>\n<code>cat hello.txt | awk &#039;END {print}&#039;<\/code><\/p>\n<h2>1.\u6e05\u9664\u5b57\u7b26\u4e32\u5de6\u4fa7\u7a7a\u683c<\/h2>\n<pre><code class=\"language-bash\">str=&quot; \u8fd9\u662f\u4e00\u4e2a\u6d4b\u8bd5\u5b57\u7b26\u4e32 &quot;\ntrimmed_str=$(echo &quot;$str&quot; | sed &#039;s\/^[[:space:]]*\/\/&#039;)\necho &quot;$trimmed_str&quot;<\/code><\/pre>\n<p>\u8fd9\u6bb5\u4ee3\u7801\u4f1a\u8f93\u51fa\u539f\u59cb\u5b57\u7b26\u4e32str\u5de6\u4fa7\u7684\u7a7a\u683c\u88ab\u6e05\u9664\u6389\u7684\u7ed3\u679c\u3002<code>sed &#039;s\/^[[:space:]]*\/\/&#039;<\/code>\u547d\u4ee4\u7684\u542b\u4e49\u662f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u5339\u914d\u5b57\u7b26\u4e32\u5f00\u5934\u7684\u7a7a\u767d\u5b57\u7b26\uff0c\u5e76\u5c06\u5176\u66ff\u6362\u4e3a\u7a7a\uff08\u5373\u5220\u9664\uff09\u3002<\/p>\n<button class=\"simplefavorite-button\" data-postid=\"13500\" data-siteid=\"1\" data-groupid=\"1\" data-favoritecount=\"0\" style=\"\">\u6536\u85cf <i class=\"sf-icon-star-empty\"><\/i><\/button>","protected":false},"excerpt":{"rendered":"<p>https:\/\/blog.csdn.net\/m0_67771087\/article\/details\/ [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[586],"tags":[],"_links":{"self":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts\/13500"}],"collection":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=13500"}],"version-history":[{"count":3,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts\/13500\/revisions"}],"predecessor-version":[{"id":14975,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=\/wp\/v2\/posts\/13500\/revisions\/14975"}],"wp:attachment":[{"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=13500"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=13500"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/xinyiworld.top\/wordpress_it\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=13500"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}