{"id":18164,"date":"2024-04-08T04:06:27","date_gmt":"2024-04-07T20:06:27","guid":{"rendered":"https:\/\/www.linuxcool.com\/lbblmlqscydw"},"modified":"2024-04-08T04:06:27","modified_gmt":"2024-04-07T20:06:27","slug":"lbblmlqscydw","status":"publish","type":"post","link":"https:\/\/www.linuxcool.com\/lbblmlqscydw","title":{"rendered":"Linux\u5fc5\u5907\uff01less\u547d\u4ee4\u8f7b\u677e\u67e5\u9605\u5927\u6587\u4ef6\uff0c\u7ec8\u7aef\u9ad8\u6548\u7ba1\u7406\u79d8\u7c4d\u63ed\u79d8"},"content":{"rendered":"

\u5728Linux<\/a>\u64cd\u4f5c\u7cfb\u7edf<\/a>\u73af\u5883\u4e4b\u4e0b\uff0cless\u547d\u4ee4<\/a>\u4e3a\u5e38\u89c1\u4e14\u5b9e\u7528\u7684\u6587\u672c\u6d4f\u89c8\u5668\uff0c\u5176\u5141\u8bb8\u7528\u6237\u5728\u7ec8\u7aef\u8f7b\u677e\u5730\u6d4f\u89c8\u5927\u6587\u4ef6\u3001\u641c\u5bfb\u76f8\u5173\u4fe1\u606f\u53ca\u5b9e\u73b0\u884c\u53f7\u5feb\u901f\u5b9a\u4f4d\u7b49\u64cd\u4f5c\u3002\u501f\u52a9less\u547d\u4ee4\uff0c\u7528\u6237\u5f97\u4ee5\u6709\u6548\u7ba1\u7406\u5927\u578b\u6587\u6863\uff0c\u5e76\u4e14\u907f\u514d\u4e86\u4e00\u6b21\u6027\u8f7d\u5165\u6240\u6709\u6587\u4ef6\u6570\u636e\u7684\u538b\u529b\u3002\u672c\u7bc7\u6587\u7ae0\u5c06\u8be6\u7ec6\u89e3\u8bfb\u5176\u4f7f\u7528\u89c4\u5219\u3001\u7279\u6027\u4f18\u52bf\u4ee5\u53ca\u4e00\u7cfb\u5217\u9ad8\u7ea7\u8fd0\u7528\u6280\u5de7\uff0c\u65e8\u5728\u52a9\u60a8\u66f4\u5168\u9762\u5730\u638c\u63e1\u5e76\u5229\u7528\u6b64\u6b3e\u65e0\u53ef\u5339\u654c\u7684\u6587\u6863\u7f16\u8f91\u5de5\u5177\u3002<\/p>\n

1. less\u547d\u4ee4\u6982\u8ff0<\/b><\/p>\n

LESS \u8f6f\u4ef6\u5f3a\u5927\u4e14\u7075\u6d3b\uff0c\u5728\u6587\u4ef6\u67e5\u9605\u65b9\u9762\u663e\u8457\u4f18\u4e8e M ore\u3002\u5b83\u4fbf\u6377\u5730\u5b9e\u73b0\u6587\u6863\u524d\u540e\u6eda\u52a8\u4ee5\u53ca\u884c\u8df3\u8f6c\uff0c\u4e3a\u7528\u6237\u67e5\u627e\u7279\u5b9a\u4fe1\u606f\u63d0\u4f9b\u4e86\u5feb\u6377\u65b9\u5f0f\u53ca\u9009\u62e9\u9879\u3002\u800c More\u5219\u65e0\u6cd5\u5b9e\u73b0\u6b64\u7b49\u529f\u80fd\uff0c\u56e0\u6b64\u5f53\u9762\u5bf9\u4f53\u79ef\u5e9e\u5927\u7684\u6587\u4ef6\u65f6\uff0cLESS\u7684\u5e94\u7528\u66f4\u4e3a\u4fbf\u5229\u3002<\/p>\n

\u501f\u52a9\u7cbe\u7b80\u7684less\u547d\u4ee4\u67e5\u627e\u95ee\u9898\u6570\u636elinux less\u547d\u4ee4<\/strong>\uff0c\u4f60\u53ea\u9700\u5728\u7ec8\u7aef\u952e\u5165\u7b80\u77ed\u7684\u6307\u4ee4\uff1a`less \u6587\u4ef6\u540d`\uff0c\u5c31\u80fd\u6253\u5f00\u76ee\u6807\u6587\u4ef6\u7684\u5185\u5bb9\u5217\u8868\u3002\u5728\u6b64\u754c\u9762\uff0c\u4ec5\u9700\u5229\u7528\u952e\u76d8\uff0c\u6216\u662f\u7528\u529b\u6309\u538b\u4e0a\u7ffb\u6216\u8005\u4e0b\u62c9\u6309\u952e\u3001\u7a7a\u767d\u952e\uff0c\u751a\u81f3\u662f\u56de\u8f66\u952e\u7ea2\u5e3dlinuxlinux\u7cfb\u7edf\u5b89\u88c5\uff0c\u5747\u53ef\u8fc5\u901f\u8fdb\u884c\u64cd\u4f5c\uff0c\u4f7f\u67e5\u627e\u5de5\u4f5c\u66f4\u4e3a\u8f7b\u677e\u81ea\u5982\uff0c\u65b9\u4fbf\u5feb\u6377\u3002<\/p>\n

2. less\u57fa\u672c\u64cd\u4f5c<\/b><\/p>\n

\u4ee5\u5728\u7ec8\u7aef\u6572\u5165`less \u6587\u4ef6\u540d`\u7684\u65b9\u5f0f\u542f\u52a8 less \u9884\u89c8\u5668\u540e\uff0c\u5373\u53ef\u8f7b\u677e\u5730\u8fdb\u884c\u6587\u4ef6\u7ba1\u7406\u64cd\u4f5c\uff0c\u5305\u62ec\u8fd0\u7528\u4e00\u7cfb\u5217\u4fbf\u6377\u952e\u3002<\/p>\n

-\u4f7f\u7528\u7a7a\u683c\u952e\uff08Space\uff09\u5411\u4e0b\u7ffb\u9875\uff1b<\/p>\n

-\u4f7f\u7528Page Up\u548cPage Down\u952e\u8fdb\u884c\u6574\u5c4f\u7ffb\u9875\uff1b<\/p>\n

-\u4f7f\u7528\u4e0a\u4e0b\u65b9\u5411\u952e\u8fdb\u884c\u9010\u884c\u6eda\u52a8\uff1b<\/p>\n

-\u8f93\u5165`\/\u5173\u952e\u8bcd`\u8fdb\u884c\u5185\u5bb9\u641c\u7d22\uff1b<\/p>\n

linux less\u547d\u4ee4_less\u547d\u4ee4\u6362\u884c\u7b26_linux\u547d\u4ee4<\/p>\n

-\u8f93\u5165`?\u5173\u952e\u8bcd`\u8fdb\u884c\u53cd\u5411\u641c\u7d22\uff1b<\/p>\n

-\u8f93\u5165`:n`\u8df3\u8f6c\u5230\u7b2cn\u884c\uff1b<\/p>\n

-\u8f93\u5165`:q`\u9000\u51faless\u67e5\u770b\u3002<\/p>\n

\u51ed\u501f\u8fd9\u51e0\u9879\u57fa\u7840\u64cd\u4f5c\uff0c\u7528\u6237\u80fd\u591f\u4fbf\u6377\u5730\u5bfc\u822a\u6587\u6863\u3001\u641c\u5bfb\u5173\u952e\u8bcd\u5e76\u5728\u5fc5\u8981\u65f6\u523b\u9000\u51fa\u67e5\u9605\u3002<\/p>\n

3. less\u9ad8\u7ea7\u529f\u80fd<\/b><\/p>\n

LESS \u9664\u57fa\u672c\u64cd\u4f5c\uff0c\u5c1a\u5177\u5907\u8fdb\u9636\u7279\u6027\u548c\u9009\u5355\uff0c\u52a9\u60a8\u66f4\u6709\u6548\u7387\u5730\u67e5\u9605\u4e0e\u7f16\u8f91\u6587\u4ef6\u3002<\/p>\n

-`-N`\u9009\u9879\uff1a\u663e\u793a\u884c\u53f7\uff0c\u65b9\u4fbf\u7528\u6237\u5feb\u901f\u5b9a\u4f4d\u884c\u6570\uff1b<\/p>\n

-`-i`\u9009\u9879\uff1a\u5ffd\u7565\u5927\u5c0f\u5199\uff0c\u5728\u641c\u7d22\u65f6\u4e0d\u533a\u5206\u5927\u5c0f\u5199\uff1b<\/p>\n

linux\u547d\u4ee4_linux less\u547d\u4ee4_less\u547d\u4ee4\u6362\u884c\u7b26<\/p>\n

-`-S`\u53c2\u6570\u8c03\u6574\uff1a\u7981\u7528\u957f\u884c\u7684\u81ea\u52a8\u6362\u884c\u529f\u80fd\u4ee5\u4fdd\u6301\u539f\u6709\u683c\u5f0f\uff0c\u9002\u5408\u9605\u8bfb\u7a0b\u5e8f\u6e90\u7801\u8fd9\u7c7b\u5bf9\u683c\u5f0f\u63a7\u5236\u8981\u6c42\u8f83\u9ad8\u7684\u6587\u672c\u573a\u666f\u3002<\/p>\n

-\u65b0\u589e`-R`\u9009\u9879\uff0c\u8f7b\u677e\u5b9e\u73b0 ANSI \u8272\u5f69\u4ee3\u7801\u53ca\u63a7\u5236\u5b57\u7b26\u7684\u57fa\u51c6\u663e\u793a\u3002<\/p>\n

\u4f9d\u636e\u5b9e\u9645\u9700\u6c42\u7075\u6d3b\u8fd0\u7528\u4e0a\u8ff0\u9ad8\u9636\u6027\u80fd\uff0c\u5bf9\u4e8e\u5e94\u5bf9\u5b9a\u5236\u5316\u6587\u6863\u53ca\u7279\u6b8a\u60c5\u666f\u81f3\u5173\u91cd\u8981\u3002<\/p>\n

4. less\u4e0emore\u7684\u533a\u522b<\/b><\/p>\n

\u5c3d\u7ba1Less\u4e0eMore\u5747\u4e3a\u9605\u8bfb\u7eaf\u6587\u5b57\u6587\u6863\u7684\u8f85\u52a9\u8f6f\u4ef6linux less\u547d\u4ee4<\/strong>\uff0c\u4f46\u4e24\u8005\u5728\u67d0\u4e9b\u7279\u6027\u4e0a\u5b58\u5728\u663e\u8457\u5dee\u5f02\u3002<\/p>\n

-- less\u652f\u6301\u5411\u524d\u548c\u5411\u540e\u7ffb\u9875\uff0c\u800cmore\u53ea\u652f\u6301\u5411\u524d\u7ffb\u9875\uff1b<\/p>\n

-- less\u652f\u6301\u7528\u6237\u901a\u8fc7\u7bad\u5934\u952e\u8fdb\u884c\u5185\u5bb9\u6d4f\u89c8\uff0c\u800cmore\u4ec5\u652f\u6301\u7a7a\u683c\u952e\u5b9e\u73b0\u9875\u9762\u5207\u6362\u3002<\/p>\n

“less”\u540e\u53f0\u5177\u5907\u641c\u7d22\u529f\u80fd\u4e14\u652f\u6301\u53cd\u5411\u641c\u5bfb\uff1b\u7136\u800c”more”\u5219\u4e0d\u63d0\u4f9b\u641c\u7d22\u670d\u52a1\u3002<\/p>\n

\u5728\u5de5\u7a0b\u5b9e\u8df5\u4e2d\uff0c\u82e5\u5bf9\u66f4\u591a\u4ea4\u4e92\u548c\u529f\u80fd\u6709\u6240\u8981\u6c42\uff0c\u6211\u4eec\u5f3a\u70c8\u5efa\u8bae\u91c7\u7eb3\u7528less\u547d\u4ee4\u53d6\u4ee3 more\u547d\u4ee4\u3002<\/p>\n

5. less\u5b9e\u4f8b\u6f14\u793a<\/b><\/p>\n

\u4e3a\u6df1\u5165\u4e86\u89e3LESS\u6307\u4ee4\u5728\u5b9e\u8df5\u4e2d\u7684\u5e94\u7528\u80cc\u666f\uff0c\u6211\u4eec\u4ee5\u4e00\u7b80\u5355\u793a\u4f8b\u5c55\u793a\u5176\u57fa\u7840\u53ca\u9ad8\u7ea7\u529f\u80fd\u3002\u5018\u82e5\u6211\u4eec\u624b\u5934\u6709\u4e00\u4efd\u540d\u53ebexample.txt\u7684\u6587\u672c\u6587\u4ef6\uff0c\u5176\u4e2d\u6570\u636e\u5982\u4e0b\uff1a<\/p>\n

“`<\/p>\n

\u60a8\u597d\uff0c\u6b64\u4e3a\u793a\u4f8b\u6587\u4ef6\u3002<\/p>\n

This is the second line.<\/p>\n

And this is the third line.<\/p>\n

\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u6765\u4f7f\u7528less\u547d\u4ee4\u67e5\u770b\u8be5\u6587\u4ef6\uff1a<\/p>\n

linux\u547d\u4ee4_linux less\u547d\u4ee4_less\u547d\u4ee4\u6362\u884c\u7b26<\/p>\n

\u4e8e\u7ec8\u7aef\u4e2d\u952e\u5165`less example.txt`\uff0c\u968f\u5373\u6572\u51fb\u56de\u8f66\u952e\u3002<\/p>\n

\u5728less\u8f6f\u4ef6\u73af\u5883\u4e2d\uff0c\u53ef\u5229\u7528\u7a7a\u683c\u952e\u5b9e\u73b0\u9875\u6b21\u5207\u6362\uff0c\u6216\u4e0a\u4e0b\u7bad\u5934\u624b\u52a8\u9605\u8bfb\u5185\u5bb9\u3002<\/p>\n

\u5728\u6309\u52a8\u56de\u8f66\u524d\uff0c\u8f93\u5165`\/second`\u4ee5\u5bfb\u627e\u5230\u542b\u6709\u5173\u952e\u8bcd”second”\u7684\u76f8\u5e94\u884c\u3002<\/p>\n

4.\u8f93\u5165`:3`\u8df3\u8f6c\u5230\u7b2c\u4e09\u884c\u67e5\u770b\u5177\u4f53\u5185\u5bb9\uff1b<\/p>\n

5.\u6700\u540e\u8f93\u5165`:q`\u9000\u51fa\u67e5\u770b\u3002<\/p>\n

\u4ece\u8fd9\u4e2a\u7b80\u660e\u793a\u4f8b\u4e2d\uff0c\u8db3\u4ee5\u611f\u77e5less\u547d\u4ee4\u5728\u7ec8\u7aef\u8bfb\u53d6\u6587\u672c\u6587\u4ef6\u7684\u9ad8\u6548\u6027\u4e0e\u4fbf\u5229\u6027\u3002<\/p>\n

6. less\u547d\u4ee4\u5e94\u7528\u573a\u666f<\/b><\/p>\n

\u5728\u5b9e\u9645\u5de5\u4f5c\u4e2d\uff0cless\u547d\u4ee4\u6709\u7740\u5e7f\u6cdb\u7684\u5e94\u7528\u573a\u666f\uff1a<\/p>\n

-\u67e5\u9605\u65e5\u5fd7\u6587\u4ef6\uff1a\u5728\u67e5\u627e\u5173\u4e8e\u7cfb\u7edf\u8bb0\u5f55\u6216\u5e94\u7528\u7a0b\u5e8f\u64cd\u4f5c\u7684\u8be6\u7ec6\u4fe1\u606f\u65f6\uff0c\u501f\u52a9less\u547d\u4ee4\u65e0\u7591\u80fd\u8fc5\u901f\u660e\u786e\u95ee\u9898\u6765\u6e90\u3002<\/p>\n

-\u8be6\u89e3\u914d\u7f6e\u6587\u4ef6\uff1a\u4f7f\u7528less\u547d\u4ee4\u5373\u53ef\u5bf9\u5197\u957f\u4e14\u7ed3\u6784\u590d\u6742\u7684\u914d\u7f6e\u6587\u4ef6\u8fdb\u884c\u7cbe\u7ec6\u9605\u8bfb\u4e0e\u7f16\u8f91\u3002<\/p>\n

-\u89e3\u8bfb\u6e90\u7801\uff1a\u7f16\u7a0b\u8005\u53ef\u8fd0\u7528less\u6307\u4ee4\u4e8e\u63a7\u5236\u53f0\u67e5\u9605\u6e90\u7801\u6587\u6863\uff0c\u540c\u65f6\u7ed3\u5408\u76f8\u5e94\u5de5\u5177\u5c55\u5f00\u8c03\u8bd5\u53ca\u5256\u6790\u5de5\u4f5c\u3002<\/p>\n

\u65e0\u8bba\u8eab\u4e3a\u7cfb\u7edf\u7ba1\u7406\u4e13\u5bb6\u3001\u8f6f\u4ef6\u5de5\u7a0b\u5e08\u6291\u6216\u662f\u666e\u901a\u6d88\u8d39\u8005\uff0c\u6211\u4eec\u90fd\u5728\u5404\u81ea\u7684\u9886\u57df\u9891\u7e41\u5904\u7406\u5404\u7c7b\u6587\u672c\u6587\u4ef6\u3002\u501f\u52a9\u4e8e\u719f\u7ec3\u638c\u63e1 less \u547d\u4ee4\uff0c\u65e0\u7591\u80fd\u9ad8\u6548\u5b8c\u6210\u4f5c\u4e1a\u3002<\/p>\n

7. less\u6280\u5de7\u4e0e\u5efa\u8bae<\/b><\/p>\n

\u4e3a\u5145\u5206\u53d1\u6325less\u547d\u4ee4\u4e4b\u529f\u80fd\uff0c\u63d0\u9ad8\u6587\u672c\u6587\u4ef6\u6d4f\u89c8\u6548\u7387\uff0c\u7279\u63d0\u4f9b\u4ee5\u4e0b\u5b9e\u7528\u6280\u5de7\u548c\u63a8\u8350\u5efa\u8bae\uff1a<\/p>\n

-\u719f\u7ec3\u638c\u63e1\u5feb\u6377\u952e\uff1a\u638c\u63e1\u5e38\u7528\u5feb\u6377\u952e\u80fd\u591f\u52a0\u5feb\u64cd\u4f5c\u901f\u5ea6\uff1b<\/p>\n

-\u878d\u5165\u6b63\u5219\u8868\u8fbe\u5f0f\u6280\u672f\uff1a\u901a\u8fc7\u4e0e\u6b63\u5219\u8868\u8fbe\u5f0f\u7684\u7efc\u5408\u8fd0\u7528\uff0c\u80fd\u5b9e\u73b0\u66f4\u4e3a\u7cbe\u786e\u7684\u68c0\u7d22\u7ed3\u679c\u3002<\/p>\n

-\u8fd0\u7528-less\u53c2\u6570\uff1a\u5e94\u5bf9\u5927\u89c4\u6a21\u6587\u672c\u6587\u4ef6(\u5982\u65e5\u5fd7)\uff0c\u542f\u7528-less\u53c2\u6570\u80fd\u6709\u6548\u9632\u6b62\u56e0\u52a0\u8f7d\u5168\u91cf\u6587\u4ef6\u9020\u6210\u7684\u6027\u80fd\u95ee\u9898\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u672c\u7bc7\u6587\u7ae0\u5c06\u8be6\u7ec6\u89e3\u8bfb\u5176\u4f7f\u7528\u89c4\u5219\u3001\u7279\u6027\u4f18\u52bf\u4ee5\u53ca\u4e00\u7cfb\u5217\u9ad8\u7ea7\u8fd0\u7528\u6280\u5de7\uff0c\u65e8\u5728\u52a9\u60a8\u66f4\u5168\u9762\u5730\u638c\u63e1\u5e76\u5229\u7528\u6b64\u6b3e\u65e0\u53ef\u5339\u654c\u7684\u6587\u6863\u7f16\u8f91\u5de5\u5177\u3002\u51ed\u501f\u8fd9\u51e0\u9879\u57fa\u7840\u64cd\u4f5c\uff0c\u7528\u6237\u80fd\u591f\u4fbf\u6377\u5730\u5bfc\u822a\u6587\u6863\u3001\u641c\u5bfb\u5173\u952e\u8bcd\u5e76\u5728\u5fc5\u8981\u65f6\u523b\u9000\u51fa\u67e5\u9605\u3002<\/p>\n","protected":false},"author":1,"featured_media":18165,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10],"tags":[37,40,662,388,776],"class_list":["post-18164","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge","tag-ml","tag-cz","tag-wb-2","tag-wd","tag-cy-2"],"_links":{"self":[{"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/posts\/18164","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/comments?post=18164"}],"version-history":[{"count":0,"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/posts\/18164\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/media\/18165"}],"wp:attachment":[{"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/media?parent=18164"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/categories?post=18164"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.linuxcool.com\/wp-json\/wp\/v2\/tags?post=18164"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}