{"id":51608,"date":"2024-12-03T13:04:51","date_gmt":"2024-12-03T05:04:51","guid":{"rendered":"https:\/\/fwq.ai\/blog\/51608\/"},"modified":"2024-12-03T13:04:51","modified_gmt":"2024-12-03T05:04:51","slug":"%e5%8f%91%e6%8e%98linux%e7%b3%bb%e7%bb%9f%e4%b8%ad%e7%bd%95%e8%a7%81%e7%89%b9%e6%ae%8a%e5%ad%97%e7%ac%a6%e7%9a%84%e5%a5%87%e5%a6%99%e7%94%a8%e9%80%94","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/51608\/","title":{"rendered":"\u53d1\u6398Linux\u7cfb\u7edf\u4e2d\u7f55\u89c1\u7279\u6b8a\u5b57\u7b26\u7684\u5947\u5999\u7528\u9014"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u53d1\u6398Linux\u7cfb\u7edf\u4e2d\u7f55\u89c1\u7279\u6b8a\u5b57\u7b26\u7684\u5947\u5999\u7528\u9014<\/h1>\n<p>\u5077\u5077\u52aa\u529b\uff0c\u6084\u65e0\u58f0\u606f\u5730\u53d8\u5f3a\uff0c\u7136\u540e\u60ca\u8273\u6240\u6709\u4eba\uff01\u54c8\u54c8\uff0c\u5c0f\u4f19\u4f34\u4eec\u53c8\u6765\u5b66\u4e60\u5566~\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u4e0d\u77e5\u9053\u5927\u5bb6\u5bf9\u5176\u90fd\u6709\u591a\u5c11\u4e86\u89e3\uff0c\u4e0b\u9762\u6211\u4eec\u5c31\u4e00\u8d77\u6765\u770b\u4e00\u5427\uff01\u5f53\u7136\uff0c\u975e\u5e38\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u8bc4\u8bba\uff0c\u7ed9\u51fa\u5408\u7406\u7684\u5efa\u8bae\uff0c\u6211\u4eec\u4e00\u8d77\u5b66\u4e60\uff0c\u4e00\u8d77\u8fdb\u6b65\uff01<\/p>\n<p>\u6807\u9898\uff1a\u63a2\u7d22Linux\u7cfb\u7edf\u4e2d\u4e0d\u5e38\u89c1\u7684\u7279\u6b8a\u5b57\u7b26\u53ca\u5176\u5e94\u7528<\/p>\n<p>\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u7279\u6b8a\u5b57\u7b26\u662f\u4e00\u79cd\u975e\u5e38\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u5b83\u4eec\u53ef\u4ee5\u7528\u6765\u8fdb\u884c\u5404\u79cd\u64cd\u4f5c\u548c\u5904\u7406\u3002\u9664\u4e86\u5e38\u89c1\u7684\u4e00\u4e9b\u7279\u6b8a\u5b57\u7b26\uff0c\u5982\u901a\u914d\u7b26\u548c\u91cd\u5b9a\u5411\u7b26\u53f7\u5916\uff0c\u8fd8\u5b58\u5728\u4e00\u4e9b\u4e0d\u592a\u5e38\u89c1\u4f46\u529f\u80fd\u5f3a\u5927\u7684\u7279\u6b8a\u5b57\u7b26\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u7d22\u4e00\u4e9b\u4e0d\u5e38\u89c1\u7684\u7279\u6b8a\u5b57\u7b26\uff0c\u5e76\u901a\u8fc7\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u5c55\u793a\u5b83\u4eec\u7684\u5e94\u7528\u3002<\/p>\n<p>\u4e00\u3001\u82b1\u62ec\u53f7 {}<\/p>\n<p>\u82b1\u62ec\u53f7 {} \u662f\u4e00\u79cd\u5f88\u6709\u7528\u7684\u7279\u6b8a\u5b57\u7b26\uff0c\u53ef\u4ee5\u7528\u6765\u751f\u6210\u591a\u4e2a\u5b57\u7b26\u5e8f\u5217\u6216\u6587\u4ef6\u5e8f\u5217\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u82b1\u62ec\u53f7\u5feb\u901f\u751f\u6210\u4e00\u7cfb\u5217\u6570\u5b57\uff1a<\/p>\n<pre>echo {1..5}<\/pre>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u5c06\u8f93\u51fa\uff1a1 2 3 4 5<\/p>\n<p>\u9664\u4e86\u751f\u6210\u6570\u5b57\u5e8f\u5217\uff0c\u82b1\u62ec\u53f7\u8fd8\u53ef\u4ee5\u7528\u6765\u751f\u6210\u6587\u4ef6\u5e8f\u5217\u3002\u6bd4\u5982\uff0c\u5728\u5f53\u524d\u76ee\u5f55\u4e0b\u6709\u4e09\u4e2a\u6587\u4ef6 file1.txt\u3001file2.txt\u3001file3.txt\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5982\u4e0b\u547d\u4ee4\u64cd\u4f5c\u8fd9\u4e9b\u6587\u4ef6\uff1a<\/p>\n<pre>mv file{1..3}.txt test\/<\/pre>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u5c06\u628a file1.txt\u3001file2.txt\u3001file3.txt \u79fb\u52a8\u5230 test \u76ee\u5f55\u4e0b\u3002<\/p>\n<p>\u4e8c\u3001\u53cd\u5f15\u53f7 <code> <\/code><\/p>\n<p>\u53cd\u5f15\u53f7 <code> <\/code> \u662f\u53e6\u4e00\u79cd\u7279\u6b8a\u5b57\u7b26\uff0c\u5b83\u53ef\u4ee5\u5c06\u5176\u4e2d\u7684\u547d\u4ee4\u6267\u884c\u5e76\u5c06\u7ed3\u679c\u8fd4\u56de\u3002\u8fd9\u5728\u4e00\u4e9b\u9700\u8981\u5c06\u547d\u4ee4\u8f93\u51fa\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9\u5176\u4ed6\u547d\u4ee4\u65f6\u975e\u5e38\u6709\u7528\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>echo \"Current directory is: `pwd`\"<\/pre>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u5c06\u8f93\u51fa\u5f53\u524d\u76ee\u5f55\u7684\u7edd\u5bf9\u8def\u5f84\u3002<\/p>\n<p>\u4e09\u3001\u65b9\u62ec\u53f7 []<\/p>\n<p>\u65b9\u62ec\u53f7 [] \u901a\u5e38\u7528\u4e8e\u6d4b\u8bd5\u6761\u4ef6\uff0c\u6bd4\u5982\u5728\u6761\u4ef6\u5224\u65ad\u8bed\u53e5\u4e2d\u4f7f\u7528\u3002\u5b83\u8fd8\u53ef\u4ee5\u7528\u6765\u751f\u6210\u5b57\u7b26\u5e8f\u5217\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>echo {a..e}<\/pre>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u5c06\u8f93\u51fa\u5b57\u6bcd\u5e8f\u5217\uff1aa b c d e<\/p>\n<p>\u65b9\u62ec\u53f7\u4e5f\u53ef\u4ee5\u7528\u6765\u5728\u547d\u4ee4\u4e2d\u8fdb\u884c\u6761\u4ef6\u5224\u65ad\uff0c\u6bd4\u5982\u5224\u65ad\u67d0\u4e2a\u6587\u4ef6\u662f\u5426\u5b58\u5728\uff1a<\/p>\n<pre>if [ -e filename ]; then\n    echo \"File exists\"\nelse\n    echo \"File does not exist\"\nfi<\/pre>\n<p>\u56db\u3001\u7f8e\u5143\u7b26\u53f7 $<\/p>\n<p>\u7f8e\u5143\u7b26\u53f7 $ \u662f\u7528\u6765\u5f15\u7528\u53d8\u91cf\u7684\u7279\u6b8a\u5b57\u7b26\u3002\u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u6211\u4eec\u7ecf\u5e38\u9700\u8981\u4f7f\u7528\u53d8\u91cf\u6765\u4fdd\u5b58\u4e00\u4e9b\u4e34\u65f6\u6570\u636e\u6216\u7ed3\u679c\uff0c\u800c\u901a\u8fc7\u7f8e\u5143\u7b26\u53f7\u53ef\u4ee5\u65b9\u4fbf\u5730\u5f15\u7528\u8fd9\u4e9b\u53d8\u91cf\u3002\u4f8b\u5982\uff1a<\/p>\n<pre>name=\"Alice\"\necho \"Hello, $name\"<\/pre>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u5c06\u8f93\u51fa\uff1aHello, Alice<\/p>\n<p>\u7f8e\u5143\u7b26\u53f7\u8fd8\u53ef\u4ee5\u7528\u6765\u6267\u884c\u547d\u4ee4\u66ff\u6362\uff0c\u6bd4\u5982\uff1a<\/p>\n<pre>echo \"Current date is: $(date)\"<\/pre>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u5c06\u8f93\u51fa\u5f53\u524d\u7684\u65e5\u671f\u548c\u65f6\u95f4\u3002<\/p>\n<p>\u4e94\u3001\u6ce2\u6d6a\u53f7 ~<\/p>\n<p>\u6ce2\u6d6a\u53f7 ~ \u901a\u5e38\u7528\u6765\u8868\u793a\u7528\u6237\u7684\u5bb6\u76ee\u5f55\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u6ce2\u6d6a\u53f7\u6765\u8868\u793a\u5f53\u524d\u7528\u6237\u7684\u5bb6\u76ee\u5f55\uff1a<\/p>\n<pre>echo ~<\/pre>\n<p>\u4e0a\u8ff0\u547d\u4ee4\u5c06\u8f93\u51fa\u5f53\u524d\u7528\u6237\u7684\u5bb6\u76ee\u5f55\u8def\u5f84\u3002<\/p>\n<p>\u4ee5\u4e0a\u662f\u4e00\u4e9bLinux\u7cfb\u7edf\u4e2d\u4e0d\u592a\u5e38\u89c1\u4f46\u529f\u80fd\u5f3a\u5927\u7684\u7279\u6b8a\u5b57\u7b26\u53ca\u5176\u5e94\u7528\u793a\u4f8b\u3002\u901a\u8fc7\u6df1\u5165\u4e86\u89e3\u548c\u719f\u7ec3\u5e94\u7528\u8fd9\u4e9b\u7279\u6b8a\u5b57\u7b26\uff0c\u6211\u4eec\u53ef\u4ee5\u66f4\u9ad8\u6548\u5730\u8fdb\u884cLinux\u7cfb\u7edf\u7684\u64cd\u4f5c\u548c\u5904\u7406\u3002\u5e0c\u671b\u672c\u6587\u5bf9\u60a8\u6709\u6240\u5e2e\u52a9\uff0c\u6b22\u8fce\u7ee7\u7eed\u63a2\u7d22\u548c\u5b66\u4e60Linux\u7cfb\u7edf\u7684\u66f4\u591a\u7279\u6027\u548c\u6280\u5de7\u3002<\/p>\n<p>\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300a\u53d1\u6398Linux\u7cfb\u7edf\u4e2d\u7f55\u89c1\u7279\u6b8a\u5b57\u7b26\u7684\u5947\u5999\u7528\u9014\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u7c73\u4e91\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03\u6587\u7ae0\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n<dl>\n<dt><\/dt>\n<dd>\n   \u5904\u7406\u5728 Go \u4e2d\u63a5\u6536 Javascript \u5bf9\u8c61\uff08\u901a\u8fc7 socket.io\uff09\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u53d1\u6398Linux\u7cfb\u7edf\u4e2d\u7f55\u89c1\u7279\u6b8a\u5b57\u7b26\u7684\u5947\u5999\u7528\u9014 \u5077\u5077\u52aa\u529b\uff0c\u6084\u65e0\u58f0\u606f\u5730\u53d8\u5f3a\uff0c\u7136\u540e\u60ca\u8273\u6240\u6709\u4eba\uff01\u54c8\u54c8\uff0c\u5c0f\u4f19\u4f34\u4eec\u53c8\u6765\u5b66\u4e60\u5566~\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u4e0d\u77e5\u9053\u5927\u5bb6\u5bf9\u5176\u90fd\u6709\u591a\u5c11\u4e86\u89e3\uff0c\u4e0b\u9762\u6211\u4eec\u5c31\u4e00\u8d77\u6765\u770b\u4e00\u5427\uff01\u5f53\u7136\uff0c\u975e\u5e38\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u8bc4\u8bba\uff0c\u7ed9\u51fa\u5408\u7406\u7684\u5efa\u8bae\uff0c\u6211\u4eec\u4e00\u8d77\u5b66\u4e60\uff0c\u4e00\u8d77\u8fdb\u6b65\uff01 \u6807\u9898\uff1a\u63a2\u7d22Linux\u7cfb\u7edf\u4e2d\u4e0d\u5e38\u89c1\u7684\u7279\u6b8a\u5b57\u7b26\u53ca\u5176\u5e94\u7528 \u5728Linux\u7cfb\u7edf\u4e2d\uff0c\u7279\u6b8a\u5b57\u7b26\u662f\u4e00\u79cd\u975e\u5e38\u91cd\u8981\u7684\u6982\u5ff5\uff0c\u5b83\u4eec\u53ef\u4ee5\u7528\u6765\u8fdb\u884c\u5404\u79cd\u64cd\u4f5c\u548c\u5904\u7406\u3002\u9664\u4e86\u5e38\u89c1\u7684\u4e00\u4e9b\u7279\u6b8a\u5b57\u7b26\uff0c\u5982\u901a\u914d\u7b26\u548c\u91cd\u5b9a\u5411\u7b26\u53f7\u5916\uff0c\u8fd8\u5b58\u5728\u4e00\u4e9b\u4e0d\u592a\u5e38\u89c1\u4f46\u529f\u80fd\u5f3a\u5927\u7684\u7279\u6b8a\u5b57\u7b26\u3002\u672c\u6587\u5c06\u6df1\u5165\u63a2\u7d22\u4e00\u4e9b\u4e0d\u5e38\u89c1\u7684\u7279\u6b8a\u5b57\u7b26\uff0c\u5e76\u901a\u8fc7\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u5c55\u793a\u5b83\u4eec\u7684\u5e94\u7528\u3002 \u4e00\u3001\u82b1\u62ec\u53f7 {} \u82b1\u62ec\u53f7 {} \u662f\u4e00\u79cd\u5f88\u6709\u7528\u7684\u7279\u6b8a\u5b57\u7b26\uff0c\u53ef\u4ee5\u7528\u6765\u751f\u6210\u591a\u4e2a\u5b57\u7b26\u5e8f\u5217\u6216\u6587\u4ef6\u5e8f\u5217\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u82b1\u62ec\u53f7\u5feb\u901f\u751f\u6210\u4e00\u7cfb\u5217\u6570\u5b57\uff1a echo {1..5} \u4e0a\u8ff0\u547d\u4ee4\u5c06\u8f93\u51fa\uff1a1 2 3 4 5 \u9664\u4e86\u751f\u6210\u6570\u5b57\u5e8f\u5217\uff0c\u82b1\u62ec\u53f7\u8fd8\u53ef\u4ee5\u7528\u6765\u751f\u6210\u6587\u4ef6\u5e8f\u5217\u3002\u6bd4\u5982\uff0c\u5728\u5f53\u524d\u76ee\u5f55\u4e0b\u6709\u4e09\u4e2a\u6587\u4ef6 file1.txt\u3001file2.txt\u3001file3.txt\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u5982\u4e0b\u547d\u4ee4\u64cd\u4f5c\u8fd9\u4e9b\u6587\u4ef6\uff1a mv file{1..3}.txt test\/ \u4e0a\u8ff0\u547d\u4ee4\u5c06\u628a file1.txt\u3001file2.txt\u3001file3.txt \u79fb\u52a8\u5230 test \u76ee\u5f55\u4e0b\u3002 \u4e8c\u3001\u53cd\u5f15\u53f7 \u53cd\u5f15\u53f7 \u662f\u53e6\u4e00\u79cd\u7279\u6b8a\u5b57\u7b26\uff0c\u5b83\u53ef\u4ee5\u5c06\u5176\u4e2d\u7684\u547d\u4ee4\u6267\u884c\u5e76\u5c06\u7ed3\u679c\u8fd4\u56de\u3002\u8fd9\u5728\u4e00\u4e9b\u9700\u8981\u5c06\u547d\u4ee4\u8f93\u51fa\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9\u5176\u4ed6\u547d\u4ee4\u65f6\u975e\u5e38\u6709\u7528\u3002\u4f8b\u5982\uff1a echo &#8220;Current directory is: `pwd`&#8221; \u4e0a\u8ff0\u547d\u4ee4\u5c06\u8f93\u51fa\u5f53\u524d\u76ee\u5f55\u7684\u7edd\u5bf9\u8def\u5f84\u3002 \u4e09\u3001\u65b9\u62ec\u53f7 [] \u65b9\u62ec\u53f7 [] \u901a\u5e38\u7528\u4e8e\u6d4b\u8bd5\u6761\u4ef6\uff0c\u6bd4\u5982\u5728\u6761\u4ef6\u5224\u65ad\u8bed\u53e5\u4e2d\u4f7f\u7528\u3002\u5b83\u8fd8\u53ef\u4ee5\u7528\u6765\u751f\u6210\u5b57\u7b26\u5e8f\u5217\u3002\u4f8b\u5982\uff1a echo {a..e} \u4e0a\u8ff0\u547d\u4ee4\u5c06\u8f93\u51fa\u5b57\u6bcd\u5e8f\u5217\uff1aa b c d e \u65b9\u62ec\u53f7\u4e5f\u53ef\u4ee5\u7528\u6765\u5728\u547d\u4ee4\u4e2d\u8fdb\u884c\u6761\u4ef6\u5224\u65ad\uff0c\u6bd4\u5982\u5224\u65ad\u67d0\u4e2a\u6587\u4ef6\u662f\u5426\u5b58\u5728\uff1a if [ -e filename ]; then echo 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