{"id":221,"date":"2020-11-10T16:57:07","date_gmt":"2020-11-10T08:57:07","guid":{"rendered":"http:\/\/www.betterit360.com\/?p=221"},"modified":"2020-11-10T16:57:08","modified_gmt":"2020-11-10T08:57:08","slug":"%e5%88%a0%e9%99%a4%e6%96%87%e4%bb%b6%e7%9a%84%e7%a9%ba%e7%99%bd%e8%a1%8c","status":"publish","type":"post","link":"http:\/\/www.betterit360.com\/?p=221","title":{"rendered":"\u5220\u9664\u6587\u4ef6\u7684\u7a7a\u767d\u884c"},"content":{"rendered":"\n<p> \u7a7a\u767d\u884c\u5206\u4e24\u7c7b\uff1a<\/p>\n\n\n\n<p>1.\u6574\u4e2a\u884c\u4ec0\u4e48\u90fd\u6ca1\u6709\uff0c\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u8868\u793a\u662f\/^$\/\u3002<\/p>\n\n\n\n<p>2.\u6709\u7a7a\u683c\u800c\u6ca1\u6709\u5b57\u7b26\uff0c\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u8868\u793a\u662f\/^\\s\\+$\/\u3002<\/p>\n\n\n\n<p>\u4e24\u4e2a\u901a\u7528\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u662f\/^\\s\\*$\/\u3002<\/p>\n\n\n\n<p>\u5220\u96641\u7684\u547d\u4ee4\u5982\u4e0b\u3002\u547d\u4ee4\uff1a\/^$\/d\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0<\/p>\n\n\n\n<p>### \u6ce8\u91ca\uff1a\u524d\u9762\u7684^\u6307\u884c\u9996$\u6307\u884c\u5c3e\uff0c\u6700\u540e\u7684d\u6307\u5220\u9664\u7684\u610f\u601d\u3002<\/p>\n\n\n\n<p>\u5220\u96642\u7684\u547d\u4ee4\u5982\u4e0b\u3002\u547d\u4ee4:\/^\\s\\+$\/d\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0<\/p>\n\n\n\n<p>### \u6ce8\u91ca\uff1a\\s\\+\u63071~\u65e0\u7a77\u5927\u4e2a\u7a7a\u683c\uff0c\u7ed9+\u52a0\u53cd\u659c\u6760\u662f\u4e3a\u4e86\u8f6c\u4e49\u3002<\/p>\n\n\n\n<p>\u540c\u65f6\u5220\u96641\u30012\u7684\u547d\u4ee4\u5982\u4e0b\u3002\u547d\u4ee4:\/^\\s\\*\/d\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0<\/p>\n\n\n\n<p>### \u6ce8\u91ca\uff1a\\s\\* \u63070~\u65e0\u7a77\u5927\u4e2a\u7a7a\u683c\uff0c\u7ed9*\u52a0\u53cd\u659c\u6760\u662f\u4e3a\u4e86\u8f6c\u4e49\u3002<br><\/p>\n\n\n\n<p>\u793a\u4f8b\uff1a<\/p>\n\n\n\n<p>\u52201\u7684\u547d\u4ee4\uff1a\u00a0 \u00a0 \u00a0sed -i &#8216;\/^$\/d&#8217; test.txt<\/p>\n\n\n\n<p>\u52202\u7684\u547d\u4ee4\uff1a\u00a0 \u00a0 \u00a0sed -i &#8216;\/^\\s\\+$\/d&#8217; test.txt<\/p>\n\n\n\n<p>\u52201\u30012\u7684\u547d\u4ee4\uff1ased -i &#8216;\/^\\s*$\/d&#8217; test.txt <\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7a7a\u767d\u884c\u5206\u4e24\u7c7b\uff1a 1.\u6574\u4e2a\u884c\u4ec0\u4e48\u90fd\u6ca1\u6709\uff0c\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u8868\u793a\u662f\/^$\/\u3002 2.\u6709\u7a7a\u683c\u800c\u6ca1\u6709\u5b57\u7b26\uff0c\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u8868\u793a\u662f\/ &hellip; <a href=\"http:\/\/www.betterit360.com\/?p=221\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">\u201c\u5220\u9664\u6587\u4ef6\u7684\u7a7a\u767d\u884c\u201d<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"http:\/\/www.betterit360.com\/index.php?rest_route=\/wp\/v2\/posts\/221"}],"collection":[{"href":"http:\/\/www.betterit360.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.betterit360.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.betterit360.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.betterit360.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=221"}],"version-history":[{"count":1,"href":"http:\/\/www.betterit360.com\/index.php?rest_route=\/wp\/v2\/posts\/221\/revisions"}],"predecessor-version":[{"id":222,"href":"http:\/\/www.betterit360.com\/index.php?rest_route=\/wp\/v2\/posts\/221\/revisions\/222"}],"wp:attachment":[{"href":"http:\/\/www.betterit360.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=221"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.betterit360.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=221"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.betterit360.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=221"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}