{"id":382,"date":"2021-07-28T16:18:11","date_gmt":"2021-07-28T08:18:11","guid":{"rendered":"http:\/\/egonlin.com\/?p=382"},"modified":"2022-02-06T17:57:27","modified_gmt":"2022-02-06T09:57:27","slug":"shell%e5%9f%ba%e7%a1%80%e5%85%a5%e9%97%a8","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=382","title":{"rendered":"shell\u57fa\u7840\u5165\u95e8"},"content":{"rendered":"<h1>shell\u57fa\u7840<\/h1>\n<h2>\u4e00 \u7f16\u7a0b\u4e0e\u7f16\u7a0b\u8bed\u8a00<\/h2>\n<p>Shell\u662f\u4e00\u95e8\u7f16\u7a0b\u8bed\u8a00\uff0c\u4f5c\u4e3a\u5b66\u4e60shell\u7684\u5f00\u59cb\uff0c\u9700\u8981\u4e8b\u5148\u641e\u660e\u767d\uff1a\u7f16\u7a0b\u7684\u76ee\u7684\u662f\u4ec0\u4e48\uff1f\u4ec0\u4e48\u662f\u7f16\u7a0b\u8bed\u8a00\uff1f\u4ec0\u4e48\u662f\u7f16\u7a0b\uff1f<\/p>\n<p>\u200b    \u7f16\u7a0b\u7684\u76ee\u7684\uff1a<\/p>\n<pre><code>#\u8ba1\u7b97\u673a\u7684\u53d1\u660e\uff0c\u662f\u4e3a\u4e86\u7528\u673a\u5668\u53d6\u4ee3\/\u89e3\u653e\u4eba\u529b\uff0c\u800c\u7f16\u7a0b\u7684\u76ee\u7684\u5219\u662f\u5c06\u4eba\u7c7b\u7684\u601d\u60f3\u6d41\u7a0b\u6309\u7167\u67d0\u79cd\u80fd\u591f\u88ab\u8ba1\u7b97\u673a\u8bc6\u522b\u7684\u8868\u8fbe\u65b9\u5f0f\u4f20\u9012\u7ed9\u8ba1\u7b97\u673a\uff0c\u4ece\u800c\u8fbe\u5230\u8ba9\u8ba1\u7b97\u673a\u80fd\u591f\u50cf\u4eba\u8111\/\u7535\u8111\u4e00\u6837\u81ea\u52a8\u6267\u884c\u7684\u6548\u679c\u3002    <\/code><\/pre>\n<p>\u200b    \u4ec0\u4e48\u662f\u7f16\u7a0b\u8bed\u8a00\uff1f<\/p>\n<pre><code>#\u4e0a\u9762\u63d0\u53ca\u7684\u80fd\u591f\u88ab\u8ba1\u7b97\u673a\u6240\u8bc6\u522b\u7684\u8868\u8fbe\u65b9\u5f0f\u5373\u7f16\u7a0b\u8bed\u8a00\uff0c\u8bed\u8a00\u662f\u6c9f\u901a\u7684\u4ecb\u8d28\uff0c\u800c\u7f16\u7a0b\u8bed\u8a00\u662f\u7a0b\u5e8f\u5458\u4e0e\u8ba1\u7b97\u673a\u6c9f\u901a\u7684\u4ecb\u8d28\u3002\u5728\u7f16\u7a0b\u7684\u4e16\u754c\u91cc\uff0c\u8ba1\u7b97\u673a\u66f4\u50cf\u662f\u4eba\u7684\u5974\u96b6\uff0c\u4eba\u7c7b\u7f16\u7a0b\u7684\u76ee\u7684\u5c31\u547d\u4ee4\u5974\u96b6\u53bb\u5de5\u4f5c\u3002<\/code><\/pre>\n<p>\u200b    \u4ec0\u4e48\u662f\u7f16\u7a0b\uff1f<\/p>\n<pre><code>#\u7f16\u7a0b\u5373\u7a0b\u5e8f\u5458\u6839\u636e\u9700\u6c42\u628a\u81ea\u5df1\u7684\u601d\u60f3\u6d41\u7a0b\u6309\u7167\u67d0\u79cd\u7f16\u7a0b\u8bed\u8a00\u7684\u8bed\u6cd5\u98ce\u683c\u7f16\u5199\u4e0b\u6765\uff0c\u4ea7\u51fa\u7684\u7ed3\u679c\u5c31\u662f\u5305\u542b\u4e00\u5806\u5b57\u7b26\u7684\u6587\u4ef6\u3002\n\n#\u5f3a\u8c03\uff1a\u7a0b\u5e8f\u5728\u672a\u8fd0\u884c\u524d\u8ddf\u666e\u901a\u6587\u4ef6\u65e0\u5f02\uff0c\u53ea\u6709\u7a0b\u5e8f\u5728\u8fd0\u884c\u65f6\uff0c\u6587\u4ef6\u5185\u6240\u5199\u7684\u5b57\u7b26\u624d\u6709\u7279\u5b9a\u7684\u8bed\u6cd5\u610f\u4e49\u3000\u3000 <\/code><\/pre>\n<p>\u200b    \u4ec0\u4e48\u662f\u7a0b\u5e8f<\/p>\n<pre><code class=\"language-python\">\u7f16\u7a0b\u7684\u7ed3\u679c\u5c31\u662f\u7a0b\u5e8f\uff0c\u66f4\u51c6\u786e\u70b9\u8bf4\uff0c\u7a0b\u5e8f\u5c31\u662f\u4e00\u7cfb\u5217\u4ee3\u7801\u6587\u4ef6<\/code><\/pre>\n<p>\u200b    \u4ec0\u4e48\u662f\u8fdb\u7a0b<\/p>\n<pre><code class=\"language-python\">\u7a0b\u5e8f\u8fd0\u884c\u7684\u8fc7\u7a0b\u5c31\u662f\u8fdb\u7a0b\uff0c\u6216\u8005\u8bf4\u662f\u64cd\u4f5c\u7cfb\u7edf\u5e72\u6d3b\u7684\u8fc7\u7a0b\uff0c\u5373\u64cd\u4f5c\u7cfb\u7edf\u62ff\u7740\u786c\u4ef6\u53bb\u8fd0\u884c\u7a0b\u5e8f\u7684\u8fc7\u7a0b<\/code><\/pre>\n<p>\u200b    \u7f16\u7a0b\u7684\u6b65\u9aa4\uff1f<\/p>\n<pre><code class=\"language-python\">1\u3001\u5148\u628a\u81ea\u5df1\u60f3\u8ba9\u8ba1\u7b97\u673a\u505a\u4e8b\u7684\u6b65\u9aa4\u60f3\u6e05\u695a\n2\u3001\u518d\u7528\u4e00\u79cd\u8ba1\u7b97\u673a\u53ef\u4ee5\u542c\u61c2\u7684\u8bed\u8a00\u628a\u505a\u4e8b\u7684\u6b65\u9aa4\u7ffb\u8bd1\u4e0b\u6765<\/code><\/pre>\n<p>\u200b    \u6240\u4ee5\u6211\u6709\u8bdd\u5bf9\u5927\u5bb6\u8bf4<\/p>\n<pre><code class=\"language-python\">shell\u662f\u8bed\u8a00\uff0c\u800c\u5b66\u4e60\u8bed\u8a00\u7684\u5957\u8def\u90fd\u662f\u4e00\u6837\u7684\uff0c\u4ee5\u82f1\u8bed\u5b66\u4e60\u4e3a\u4f8b\uff0c\u4f60\u9700\u8981\u5b66\u5355\u8bcd\uff0c\u7136\u540e\u5b66\u8bed\u6cd5\uff0c\u6700\u540e\u5199\u4f5c\u6587\u3002\n    \u82f1\u8bed\u7684\u5355\u8bcd----------&gt;shell\u4e2d\u7684\u5173\u952e\u5b57\n    \u82f1\u8bed\u7684\u8bed\u6cd5----------&gt;shell\u7684\u8bed\u6cd5\n    \u82f1\u8bed\u7684\u4f5c\u6587----------&gt;\u7528shell\u8bed\u8a00\u5199\u7684\u7a0b\u5e8f\n\n    \u6b64\u65f6\u4f60\u5fc3\u91cc\u5e94\u8be5\u6709\u6570\u4e86\uff0c\u5b66shell\u5176\u5b9e\u5f88\u7b80\u5355\uff0c\u5168\u90fd\u662f\u5728\u8bb0\u5fc6\u4e00\u4e9b\u56fa\u5b9a\u7684\u5957\u8def\u800c\u5df2\uff0c\u90a3\u4e3a\u4f55\u6709\u7684\u4eba\u4f1a\u89c9\u5f97shell\u96be\u5462\uff1f\u6765\u770b\u4e00\u4e2a\u666e\u904d\u7684\u95ee\u9898\uff0c\u95ee\u9898\u4e2d\u5305\u542b\u7b54\u6848\u3002\u3002\u3002\u3002\u3002\u3002\n\n    \u7ecf\u5e38\u6709\u5b66\u751f\u95ee\uff1a\u8001\u5e08\uff0c\u6211\u4e0a\u8bfe\u90fd\u80fd\u542c\u5f97\u61c2\uff0c\u4e3a\u5565\u6211\u5c31\u662f\u4e0d\u4f1a\u5199\u7a0b\u5e8f\u3002\n    \u6211\uff1a\u4f60\u8fd9\u4e0d\u5e9f\u8bdd\u4e48\uff01\n    \u4f60\u5b66\u5b8c\u4e86\u82f1\u8bed\u7684\u5355\u8bcd\u3001\u8bed\u6cd5\u3001\u8fd8\u6709\u5199\u4f5c\u6587\u7684\u65b9\u5f0f\uff0c\u4f60\u80fd\u7acb\u523b\u5199\u51fa\u4e00\u7bc7\u4f18\u7f8e\u7684\u4f5c\u6587\u5417\uff1f\u5f53\u7136\u4e0d\u80fd\uff0c\u90a3\u4e48\u95ee\u9898\u51fa\u5728\u54ea\u91cc\u5462\uff1f\n    \u4f60\u60f3\u60f3\uff0c\u4f60\u73b0\u5728\u7528\u6c49\u8bed\u8ddf\u6211\u6c9f\u901a\uff0c\u8111\u5b50\u91cc\u4f1a\u4e0d\u4f1a\u5206\u795e\u53bb\u7422\u78e8\u67d0\u4e2a\u6c49\u5b57\u7684\u610f\u601d\uff0c\u6c49\u8bed\u7684\u8bed\u6cd5\u5e94\u8be5\u600e\u6837\uff1f\u4f60\u5f53\u7136\u4e0d\u4f1a\uff0c\u4f60\u8111\u5b50\u91cc\u60f3\u5230\u4ec0\u4e48\uff0c\u5c31\u4f1a\u5f88\u81ea\u7136\u5730\u5c06\u5b83\u8868\u8fbe\u51fa\u6765\uff0c\u56e0\u4e3a\u4f60\u5df2\u7ecf\u8db3\u591f\u719f\u7ec3\uff0c\u6c49\u8bed\u7684\u6587\u5b57\u3001\u5355\u8bcd\u3001\u8bed\u6cd5\u7b49\u5df2\u7ecf\u6df1\u6df1\u5730\u690d\u5165\u4e86\u4f60\u7684\u610f\u8bc6\u91cc\u3002\u5b66\u82f1\u8bed\uff0c\u5b66shell\u90fd\u662f\u4e00\u6837\u7684\u9053\u7406\uff0c\u4f60\u4ee5\u4e3a\u4f60\u4f1a\u4e86\uff0c\u4f60\u53ef\u80fd\u786e\u5b9e\u4f1a\u4e86\uff0c\u4f46\u4f60\u8fdc\u6ca1\u6709\u8fbe\u5230\u70c2\u719f\u4e8e\u5fc3\u7684\u5730\u6b65\uff0c\u56e0\u6b64\u4f60\u5728\u5199\u7a0b\u5e8f\u7684\u65f6\u5019\u9700\u8981\u8003\u8651\u7684\u662f\u5173\u952e\u5b57\u7684\u7528\u6cd5\u3001\u8bed\u6cd5\u7ed3\u6784\uff0c\u800c\u6211\u5219\u53ea\u9700\u8981\u8003\u8651\u6211\u8111\u5b50\u91cc\u7684\u903b\u8f91\u5982\u4f55\u5b89\u6392\uff0c\u903b\u8f91\u8d70\u901a\u4e86\u7a0b\u5e8f\u81ea\u7136\u5c31\u8868\u8fbe\u51fa\u6765\u4e86\uff0c\u6211\u5b8c\u5168\u4e0d\u4f1a\u8003\u8651\u5173\u952e\u5b57\u6216\u8bed\u6cd5\u4ec0\u4e48\u7684\uff0c\u5b83\u5c31\u50cf\u662f\u6211\u7684\u5668\u5b98\u4e00\u6837\uff0c\u6211\u4e0d\u4f1a\u5728\u60f3\u5403\u996d\u7684\u65f6\u5019\u8003\u8651\u5e94\u8be5\u7528\u952d\u773c\u5403\u8fd8\u662f\u7528\u5634\u5403\uff0c\u8fd9\u5c31\u662f\u4f60\u8ddf\u6211\u7684\u5dee\u522b\u3002\n    \u90a3\u6709\u4f55\u597d\u7684\u89e3\u51b3\u65b9\u6cd5\u5462\uff1f\u7b54\uff1a\u6ca1\u6709\u3002\u4e0d\u4e0b\u72e0\u5fc3\u7ffb\u6765\u8986\u53bb\u7ec3\u4e60\uff0c\u77e5\u8bc6\u662f\u65e0\u6cd5\u6839\u690d\u4e8e\u4f60\u7684\u6f5c\u610f\u8bc6\u7684\uff0c\u4f60\u4e5f\u6c38\u8fdc\u65e0\u6cd5\u81ea\u5df1\u5199\u7a0b\u5e8f\uff0c\u5c31\u8ddf\u5f53\u5e74\u90ed\u9756\u5b66\u964d\u9f99\u5341\u516b\u638c\u4e00\u6837\uff0c\u6d2a\u4e03\u516c\u8981\u4ed6\u6253200\u4e0b\uff0c\u4ed6\u80fd\u62531000\u4e0b\uff0c\u5c4c\u4e1d\u5230\u4e0d\u80fd\u518d\u5c4c\u4e1d\u7684\u4f60\uff0c\u6ca1\u6709\u8fd9\u70b9\u610f\u5fd7\u529b\uff0c\u5c31\u522b\u5984\u60f3\u54b8\u9c7c\u7ffb\u8eab\u4e86\u3002\u3002\u3002\u3002\u3002\u3002\n    \u9644\u4e00\u53e5\uff1a\u6211\u4e0d\u77e5\u9053\u6210\u529f\u6709\u6ca1\u6709\u6377\u5f84\uff0c\u4f46\u6211\u786e\u5b9a\u5b66shell\u6ca1\u6709\uff0c\u6ca1\u6709\u4e0a\u4e07\u884c\u4ee3\u7801\u7684\u6d17\u793c\uff0c\u4f60\u4e0d\u53ef\u80fd\u771f\u7684\u5b66\u4f1ashell\uff0c\u8fd9\u5c31\u662f\u6211\u60f3\u5bf9\u4f60\u8bf4\u7684\u3002<\/code><\/pre>\n<h2>\u4e8c \u7f16\u7a0b\u8bed\u8a00\u5206\u7c7b<\/h2>\n<p>\u200b    \u7f16\u7a0b\u7684\u8bed\u8a00\u7684\u53d1\u5c55\u7ecf\u5386\u4e86<\/p>\n<pre><code class=\"language-python\"># \u673a\u5668\u8bed\u8a00\uff1a\u7ad9\u5728\u8ba1\u7b97\u673a(\u5974\u96b6)\u7684\u89d2\u5ea6\uff0c\u8bf4\u8ba1\u7b97\u673a\u80fd\u542c\u61c2\u7684\u8bed\u8a00\uff0c\u90a3\u5c31\u662f\u76f4\u63a5\u7528\u4e8c\u8fdb\u5236\u7f16\u7a0b\uff0c\u76f4\u63a5\u64cd\u4f5c\u786c\u4ef6\uff1b\n#         \u4f18\u70b9\uff1a\u6267\u884c\u6548\u7387\u6700\u9ad8\n#         \u7f3a\u70b9\uff1a1\u3001\u4e8c\u8fdb\u5236\u6307\u4ee4\u96be\u4ee5\u8bb0\u5fc6\uff0c\u5f00\u53d1\u65f6\u6781\u5bb9\u6613\u51fa\u9519\n#              2\u3001\u5f00\u53d1\u7a0b\u5e8f\u7684\u590d\u6742\u5ea6\u9ad8\uff1a\u5373\u4fbf\u662f\u5b8c\u6210\u4e00\u4e2a\u7b80\u5355\u7684\u529f\u80fd\uff0c\u9700\u8981\u7528\u5230\u7684\u4e8c\u8fdb\u5236\u6307\u4ee4\u7684\u6761\u6570\u90fd\u4f1a\u975e\u5e38\u591a\n\n# \u6c47\u7f16\u8bed\u8a00\uff1a\u7ad9\u5728\u8ba1\u7b97\u673a(\u5974\u96b6)\u7684\u89d2\u5ea6\uff0c\u7b80\u5199\u7684\u82f1\u6587\u6807\u8bc6\u7b26\u53d6\u4ee3\u4e8c\u8fdb\u5236\u6307\u4ee4\u53bb\u7f16\u5199\u7a0b\u5e8f\uff0c\u672c\u8d28\u4ecd\u7136\u662f\u76f4\u63a5\u64cd\u4f5c\u786c\u4ef6\uff1b\n#         \u4f18\u70b9\uff1a\u89e3\u51b3\u4e86\u673a\u5668\u8bed\u8a00\u7684\u4e8c\u8fdb\u5236\u6307\u4ee4\u96be\u4ee5\u8bb0\u5fc6\u7684\u95ee\u9898\uff0c\u6267\u884c\u6548\u7387\u8fd8\u662f\u9ad8\n#         \u7f3a\u70b9\uff1a\u5f00\u53d1\u7a0b\u5e8f\u7684\u590d\u6742\u5ea6\u4f9d\u7136\u5f88\u9ad8\uff1a\u56e0\u4e3a\u6c47\u7f16\u8bed\u8a00\u5c31\u662f\u7528\u82f1\u6587\u6807\u7b7e\u5bf9\u5e94\u539f\u6765\u7684\u4e8c\u8fdb\u5236\u6307\u4ee4\uff0c\u597d\u8bb0\u5f52\u597d\u8bb0\uff0c\u5f00\u53d1\n#              \u7684\u590d\u6742\u5ea6\u5374\u6ca1\u6709\u964d\u4f4e\n\nps\uff1a\u56e0\u4e3a\u4e0a\u8ff0\u4e24\u7c7b\u8bed\u8a00\u90fd\u662f\u5728\u76f4\u63a5\u4e0e\u8ba1\u7b97\u673a\u786c\u4ef6\u6253\u4ea4\u9053\uff0c\u79bb\u8ba1\u7b97\u673a\u786c\u4ef6\u6bd4\u8f83\u8fd1\uff0c\u6240\u4ee5\u53c8\u7edf\u79f0\u4e3a\u4f4e\u7ea7\u8bed\u8a00\n\n# \u9ad8\u7ea7\u8bed\u8a00\uff1a\u7ad9\u5728\u4eba(\u5974\u96b6\u4e3b)\u7684\u89d2\u5ea6\uff0c\u8bf4\u4eba\u8bdd\uff0c\u5373\u7528\u4eba\u7c7b\u7684\u5b57\u7b26\u53bb\u7f16\u5199\u7a0b\u5e8f\uff0c\u5c4f\u853d\u4e86\u786c\u4ef6\u64cd\u4f5c\n#         \u4f18\u70b9\uff1a\u5f00\u53d1\u590d\u6742\u5ea6\u5730\uff0c\u5373\u5f00\u53d1\u6548\u7387\u9ad8\n#         \u7f3a\u70b9\uff1a\u901f\u5ea6\u80af\u5b9a\u662f\u4e0d\u5982\u4f4e\u7ea7\u8bed\u8a00\uff0c\u4e00\u76f4\u5230\u4eca\u5929\uff0c\u5bf9\u901f\u5ea6\u8981\u6c42\u6781\u9ad8\u7684\u573a\u666f\u8fd8\u4f1a\u7528\u5230\u4f4e\u7ea7\u8bed\u8a00\uff0c\u6bd4\u5982\u64cd\u4f5c\u7cfb\u7edf\u7684\n#              \u8c03\u5ea6\u7a0b\u5e8f<\/code><\/pre>\n<p>\u200b    \u9ad8\u7ea7\u8bed\u8a00\u66f4\u8d34\u8fd1\u4eba\u7c7b\u8bed\u8a00\uff0c\u56e0\u800c\u9020\u6210\u4e86\uff1a\u5b83\u5fc5\u987b\u88ab\u7ffb\u8bd1\u6210\u8ba1\u7b97\u673a\u80fd\u8bfb\u61c2\u4e8c\u8fdb\u5236\u540e\uff0c\u624d\u80fd\u88ab\u6267\u884c\uff0c\u6309\u7167\u7ffb\u8bd1\u65b9\u5f0f\u5206\u4e3a<\/p>\n<pre><code class=\"language-python\"># 1. \u7f16\u8bd1\u578b\uff08\u9700\u8981\u7f16\u8bd1\u5668\uff0c\u76f8\u5f53\u4e8e\u7528\u8c37\u6b4c\u7ffb\u8bd1\uff09\uff1a\u5982C\uff0c\u6267\u884c\u901f\u5ea6\u5feb\uff0c\u8c03\u8bd5\u9ebb\u70e6\n\n# 2. \u89e3\u91ca\u578b\uff08\u9700\u8981\u89e3\u91ca\u5668\uff0c\u76f8\u5f53\u4e8e\u540c\u58f0\u4f20\u8bd1\uff09\uff1a\u5982python\uff0c\u6267\u884c\u901f\u5ea6\u6162\uff0c\u8c03\u8bd5\u65b9\u4fbf<\/code><\/pre>\n<p>\u200b    \u673a\u5668\u8bed\u8a00\u3001\u6c47\u7f16\u8bed\u8a00\u3001\u9ad8\u7ea7\u8bed\u8a00\u793a\u4f8b\uff1a<a href=\"https:\/\/www.cnblogs.com\/linhaifeng\/articles\/7133167.html#_label2\">https:\/\/www.cnblogs.com\/linhaifeng\/articles\/7133167.html#_label2<\/a><\/p>\n<h2>\u4e09 \u8ba1\u7b97\u673a\u5b8c\u6574\u4f53\u7cfb\u7ed3\u6784\u56fe<\/h2>\n<p>\u200b   \u4e86\u89e3\u73a9\u7f16\u7a0b\u8bed\u8a00\u540e\uff0c\u6211\u4eec\u5f97\u77e5\u6211\u4eec\u4f7f\u7528\u7f16\u7a0b\u8bed\u8a00\u7684\u76ee\u7684\u5728\u4e8e\u4e0e\u8ba1\u7b97\u673a\u5bf9\u8bdd\uff0c\u51c6\u786e\u5730\u8bf4\u662f\u547d\u4ee4\u8ba1\u7b97\u673a\u5e2e\u6211\u4eec\u505a\u4e8b\u60c5\uff0c\u4f46\u7f16\u7a0b\u8bed\u8a00\u53c8\u5206\u7c7b\u5f88\u591a\u79cd\uff0c\u4e0d\u540c\u79cd\u7c7b\u6709\u4e0d\u540c\u7684\u7279\u70b9\u548c\u96be\u5ea6\uff0c\u8fd9\u5bf9\u4e8e\u5b66\u4e60\u8005\u6709\u4e0d\u540c\u7684\u8981\u6c42\uff0c\u6bd4\u5982\u5bf9\u673a\u5668\u8bed\u8a00\uff0c\u8981\u6c42\u5b66\u4e60\u8005\u5fc5\u987b\u5177\u5907\u975e\u5e38\u6df1\u539a\u7684\u8ba1\u7b97\u673a\u786c\u4ef6\u77e5\u8bc6\u624d\u53ef\u4ee5\u4f7f\u7528\u5b83\u7f16\u5199\u7a0b\u5e8f\uff0c\u4e00\u822c\u7b49\u7ea7\u6bd4\u8f83\u4f4e\u7684\u4eba\u662f\u6ca1\u529e\u6cd5\u5b66\u4f1a\u673a\u5668\u8bed\u8a00\u7684\uff01\u4f46\u6211\u4eec\u5927\u5bb6\u4f19\u867d\u7136\u6bd4\u8f83low\uff0c\u4f46\u6211\u4eec\u4e5f\u90fd\u60f3\u7528\u4e00\u4e0b\u8ba1\u7b97\u673a\u786c\u4ef6\uff0c\u5bb6\u91cc\u6446\u7740\u4e00\u53f0\u673a\u5668\u80fd\u591f\u5e2e\u6211\u4eec\u505a\u4e8b\u60c5\uff0c\u5c31\u8ddf\u5bb6\u91cc\u517b\u4e86\u4e00\u4e2a\u5974\u96b6\u4e00\u6837\uff0c\u8c01\u4e0d\u60f3\u5462\uff1f<\/p>\n<h2>\u56db shell\u4ecb\u7ecd<\/h2>\n<p><strong>1\u3001shell\u6709\u4e24\u5c42\u610f\u601d\uff1a<\/strong><\/p>\n<pre><code class=\"language-python\"># 1\u3001\u4e00\u5c42\u6307\u7684\u662fshell\u8fd9\u95e8\u8bed\u8a00\uff0c\u662f\u4e00\u79cd\u7279\u5b9a\u7684\u8bed\u6cd5\u98ce\u683c\uff0c\u89c4\u8303\u7b49\n\n# 2\u3001\u53e6\u5916\u4e00\u5c42\u6307\u7684\u662f\u4e13\u95e8\u7528\u4e8e\u89e3\u91ca\u6267\u884cshell\u8fd9\u95e8\u8bed\u8a00\u8bed\u6cd5\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u5373shell\u89e3\u91ca\u5668\uff0c\u6211\u4eec\u5e38\u7528\u7684\u662fbash<\/code><\/pre>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2021\/07\/shell01.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2021\/07\/shell01.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<p>linux\u7cfb\u7edf\u4e0a\u81ea\u5e26\u591a\u79cdshell\u89e3\u91ca\u5668\uff0c\u65e0\u9700\u5b89\u88c5<\/p>\n<pre><code class=\"language-python\">[root@localhost ~]# chsh -l\n\/bin\/sh\n\/bin\/bash\n\/usr\/bin\/sh\n\/usr\/bin\/bash\n\/bin\/tcsh\n\/bin\/csh<\/code><\/pre>\n<p>\u901a\u5e38\u7528\u6237\u767b\u5f55\u6210\u529f\u540e\u6267\u884c\u7684shell\u7a0b\u5e8f\u4e3a\uff1a\/bin\/bash<\/p>\n<pre><code class=\"language-python\">[root@localhost ~]# head -1 \/etc\/passwd\nroot:x:0:0:root:\/root:\/bin\/bash<\/code><\/pre>\n<p>shell\u672c\u8eab\u5c31\u662f\u4e00\u95e8\u89e3\u91ca\u578b\u3001\u5f31\u7c7b\u578b\u3001\u52a8\u6001\u8bed\u8a00\uff0c\u4e0epython\u76f8\u5bf9\u5e94\uff0cPython\u5c5e\u4e8e\u89e3\u91ca\u578b\u3001\u5f3a\u7c7b\u578b\u3001\u52a8\u6001\u8bed\u8a00\uff0c\u6211\u4eec\u5e73\u65f6\u767b\u5f55\u6210\u529f\u4e00\u4e2a\u7528\u6237\u540e\u8fdb\u5165\u7684\u5c31\u662fbash\u89e3\u91ca\u5668\u7684\u4ea4\u4e92\u5f0f\u73af\u5883\uff0c\u6211\u4eec\u6572\u7684\u547d\u4ee4\u5176\u5b9e\u90fd\u5c5e\u4e8eshell\u8fd9\u95e8\u8bed\u8a00\u7684\u8bed\u6cd5<\/p>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2021\/07\/shell02.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2021\/07\/shell02.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<p><strong>2\u3001\u4e3a\u4f55\u8981\u7528shell<\/strong><\/p>\n<p>\u90a3\u8fd8\u7528\u8bf4\u5417\uff0c\u4e00\u4e9b\u65e5\u5e38\u7684\u8fd0\u7ef4\u5de5\u4f5c\u81ea\u52a8\u5316\u3001\u914d\u5408\u8ba1\u5212\u4efb\u52a1\u5a01\u529b\u65e0\u7a77\uff0c\u5f7b\u5e95\u89e3\u653e\u53cc\u624b\uff0c\u4f60\u8bf4\u5b83\u4e0d\u9999\u5417\uff1f\u4f8b\u5982<\/p>\n<ul>\n<li>\u81ea\u52a8\u5907\u4efd<\/li>\n<li>\u81ea\u52a8\u90e8\u7f72<\/li>\n<li>\u76d1\u63a7\u811a\u672c<\/li>\n<\/ul>\n<p><strong>3\u3001Shell VS python<\/strong><\/p>\n<p>shell\u8bed\u8a00<\/p>\n<pre><code class=\"language-python\">Shell \u811a\u672c\u7684\u4f18\u52bf\u5728\u4e8e\u5904\u7406\u504f\u64cd\u4f5c\u7cfb\u7edf\u5e95\u5c42\u7684\u4e1a\u52a1\uff0c\u4f8b\u5982\uff0cLinux \u5185\u90e8\u7684\u5f88\u591a\u5e94\u7528\uff08\u6709\u7684\u662f\u5e94\u7528\u7684\u4e00\u90e8\u5206\uff09\u90fd\u662f\u4f7f\u7528 Shell \u811a\u672c\u5f00\u53d1\u7684\uff0c\u56e0\u4e3a\u6709 1000 \u591a\u4e2a Linux \u7cfb\u7edf\u547d\u4ee4\u4e3a\u5b83\u4f5c\u652f\u6491\uff0c\u7279\u522b\u662f Linux \u6b63\u5219\u8868\u8fbe\u5f0f\u4ee5\u53ca\u4e09\u5251\u5ba2 grep\u3001awk\u3001sed \u7b49\u547d\u4ee4\u3002\n\n\u5bf9\u4e8e\u4e00\u4e9b\u5e38\u89c1\u7684\u7cfb\u7edf\u811a\u672c\uff0c\u4f7f\u7528 Shell \u5f00\u53d1\u4f1a\u66f4\u7b80\u5355\u3001\u66f4\u5feb\u901f\uff0c\u4f8b\u5982\uff0c\u8ba9\u8f6f\u4ef6\u4e00\u952e\u81ea\u52a8\u5316\u5b89\u88c5\u3001\u4f18\u5316\uff0c\u76d1\u63a7\u62a5\u8b66\u811a\u672c\uff0c\u8f6f\u4ef6\u542f\u52a8\u811a\u672c\uff0c\u65e5\u5fd7\u5206\u6790\u811a\u672c\u7b49\uff0c\u867d\u7136 Python \u4e5f\u80fd\u505a\u5230\u8fd9\u4e9b\uff0c\u4f46\u662f\u8003\u8651\u5230\u638c\u63e1\u96be\u5ea6\u3001\u5f00\u53d1\u6548\u7387\u3001\u5f00\u53d1\u4e60\u60ef\u7b49\u56e0\u7d20\uff0c\u5b83\u4eec\u53ef\u80fd\u5c31\u4e0d\u5982 Shell \u811a\u672c\u6d41\u884c\u4ee5\u53ca\u6709\u4f18\u52bf\u4e86\u3002\u5bf9\u4e8e\u4e00\u4e9b\u5e38\u89c1\u7684\u4e1a\u52a1\u5e94\u7528\uff0c\u4f7f\u7528 Shell \u66f4\u7b26\u5408 Linux \u8fd0\u7ef4\u7b80\u5355\u3001\u6613\u7528\u3001\u9ad8\u6548\u7684\u4e09\u5927\u539f\u5219\u3002<\/code><\/pre>\n<p>python\u8bed\u8a00<\/p>\n<pre><code class=\"language-python\">Python \u662f\u8fd1\u51e0\u5e74\u975e\u5e38\u6d41\u884c\u7684\u8bed\u8a00\uff0c\u5b83\u4e0d\u4f46\u53ef\u4ee5\u7528\u4e8e\u811a\u672c\u7a0b\u5e8f\u5f00\u53d1\uff0c\u4e5f\u53ef\u4ee5\u5b9e\u73b0 Web \u7a0b\u5e8f\u5f00\u53d1\uff08\u77e5\u4e4e\u3001\u8c46\u74e3\u3001YouTube\u3001Instagram \u90fd\u662f\u7528 Python \u5f00\u53d1\uff09\uff0c\u751a\u81f3\u8fd8\u53ef\u4ee5\u5b9e\u73b0\u8f6f\u4ef6\u7684\u5f00\u53d1\uff08\u5927\u540d\u9f0e\u9f0e\u7684 OpenStack\u3001SaltStack \u90fd\u662f Python \u8bed\u8a00\u5f00\u53d1\uff09\u3001\u6e38\u620f\u5f00\u53d1\u3001\u5927\u6570\u636e\u5f00\u53d1\u3001\u79fb\u52a8\u7aef\u5f00\u53d1\u3002\n\n\u73b0\u5728\u8d8a\u6765\u8d8a\u591a\u7684\u516c\u53f8\u8981\u6c42\u8fd0\u7ef4\u4eba\u5458\u4f1a Python \u81ea\u52a8\u5316\u5f00\u53d1\uff0cPython \u4e5f\u6210\u4e86\u8fd0\u7ef4\u4eba\u5458\u5fc5\u5907\u7684\u6280\u80fd\uff0c\u6bcf\u4e00\u4e2a\u8fd0\u7ef4\u4eba\u5458\u5728\u719f\u6089\u4e86 Shell \u4e4b\u540e\uff0c\u90fd\u5e94\u8be5\u518d\u5b66\u4e60 Python \u8bed\u8a00\u3002\n\nPython \u8bed\u8a00\u7684\u4f18\u52bf\u5728\u4e8e\u5f00\u53d1\u590d\u6742\u7684\u8fd0\u7ef4\u8f6f\u4ef6\u3001Web \u9875\u9762\u7684\u7ba1\u7406\u5de5\u5177\u548c Web \u4e1a\u52a1\u7684\u5f00\u53d1\uff08\u4f8b\u5982 CMDB \u81ea\u52a8\u5316\u8fd0\u7ef4\u5e73\u53f0\u3001\u8df3\u677f\u673a\u3001\u6279\u91cf\u7ba1\u7406\u8f6f\u4ef6 SaltStack\u3001\u4e91\u8ba1\u7b97OpenStack \u8f6f\u4ef6\uff09\u7b49\u3002<\/code><\/pre>\n<h2>\u4e94 \u7b2c\u4e00\u4e2ashell\u7a0b\u5e8f<\/h2>\n<h3>5.1 \u7f16\u5199shell\u7a0b\u5e8f\u7684\u4e24\u79cd\u73af\u5883<\/h3>\n<p>\u6211\u4eec\u53ef\u4ee5\u5728\u4e24\u4e2a\u5730\u65b9\u7f16\u5199shell\u7a0b\u5e8f<\/p>\n<pre><code class=\"language-python\"># 1\u3001\u4ea4\u4e92\u5f0f\u73af\u5883\n\u8c03\u8bd5\u65b9\u4fbf\uff0c\u65e0\u6cd5\u6c38\u4e45\u4fdd\u5b58\u4ee3\u7801\nps\uff1a\n\u4ea4\u4e92\u5f0f\u73af\u5883\uff0c\u8bf7\u770b\u9644\u5f55\u300ashell\u89e3\u91ca\u5668\u4ea4\u4e92\u5f0f\u73af\u5883\u300b\uff0c\u6216\u8005\u70b9\u51fb\u94fe\u63a5https:\/\/www.cnblogs.com\/linhaifeng\/articles\/13976243.html\n\n# 2\u3001\u5199\u5230\u6587\u4ef6\u4e2d\n\u6211\u4eec\u91c7\u7528\u89e3\u91ca\u578b\u8bed\u8a00\u7f16\u5199\u7684\u4ee3\u7801\u6587\u4ef6\u901a\u5e38\u90fd\u4f1a\u88ab\u79f0\u4e4b\u4e3a\u811a\u672c\u7a0b\u5e8f\uff08\u4f7f\u7528nodpad++\u6f14\u793a\uff09\uff1a\u53ef\u4ee5\u6c38\u4e45\u4fdd\u5b58\u4ee3\u7801<\/code><\/pre>\n<h3>5.2 \u7f16\u5199shell\u811a\u672c\u7a0b\u5e8f<\/h3>\n<p>\u5176\u5b9e\u6211\u4eec\u5728\u4ea4\u4e92\u5f0f\u73af\u5883\u91cc\u6572\u7684\u547d\u4ee4\u76f4\u63a5\u653e\u5230\u4e00\u4e2a\u6587\u672c\u6587\u4ef6\u91cc\uff0c\u4e00\u4e2a\u7b80\u5355\u7684shell\u7a0b\u5e8f\u5c31\u5b8c\u6210\u4e86<\/p>\n<p><strong>\u5f3a\u8c03\uff1ashell\u89e3\u91ca\u5668\u6267\u884c\u7a0b\u5e8f\u662f\u89e3\u91ca\u6267\u884c\uff0c\u5373\u6253\u5f00\u6587\u4ef6\u8bfb\u5185\u5bb9\uff0c\u56e0\u6b64\u6587\u4ef6\u7684\u540e\u7f00\u540d\u6ca1\u6709\u786c\u6027\u9650\u5236\uff0c\u4f46\u901a\u5e38\u5b9a\u4e49\u4e3a.sh\u7ed3\u5c3e<\/strong><\/p>\n<pre><code class=\"language-python\">[root@egon ~~]# mkdir -p \/a\/b\n[root@egon ~~]# vim \/a\/b\/hello.sh\n[root@egon ~~]# cat \/a\/b\/hello.sh\n#!\/bin\/bash\n\n#\u7b2c\u4e00\u4e2ashell\u5c0f\u7a0b\u5e8f\necho &quot;hello world!&quot;  <\/code><\/pre>\n<p>\u89e3\u91ca<\/p>\n<ul>\n<li>\n<p>1\u3001\u7b2c\u4e00\u884c\u8868\u793a\u6211\u4eec\u9009\u62e9\u4f7f\u7528\u7684shell\u89e3\u91ca\u5668\u662fbash\uff0c\u4e5f\u53ef\u4ee5\u7528 \uff1a#!\/usr\/bin\/env bash<\/p>\n<pre><code>shell\u7684\u7b2c\u4e00\u884c\u6bd4\u8f83\u7279\u6b8a\uff0c\u4e00\u822c\u90fd\u4f1a\u4ee5#!\u5f00\u59cb\u6765\u6307\u5b9a\u4f7f\u7528\u7684shell\u89e3\u91ca\u7684\u7c7b\u578b\u3002\n\u5728linux\u4e2d\uff0c\u9664\u4e86bash shell\u4ee5\u5916\uff0c\u8fd8\u6709\u5f88\u591a\u7248\u672c\u7684shell\uff0c \u4f8b\u5982zsh\u3001dash\u7b49\u7b49...\n\u4e0d\u8fc7bash shell\u8fd8\u662f\u6211\u4eec\u4f7f\u7528\u6700\u591a\u7684\u3002<\/code><\/pre>\n<\/li>\n<li>\n<p>2\u3001\u7b2c\u4e8c\u884c\u4ee5#\u7b26\u53f7\u5f00\u59cb\uff0c\u8868\u793a\u672c\u884c\u662f\u6ce8\u91ca\uff0c\u6ce8\u91ca\u662f\u5bf9\u4ee3\u7801\u7684\u89e3\u91ca\u8bf4\u660e\uff0c\u6ce8\u91ca\u7684\u5185\u5bb9\u4e0d\u4f1a\u6267\u884c\uff0c\u5bf9\u5173\u952e\u4ee3\u7801\u52a0\u6ce8\u91ca\u662f\u4e00\u79cd\u597d\u7684\u7f16\u7a0b\u4e60\u60ef<\/p>\n<\/li>\n<li>\n<p>3\u3001\u7b2c\u4e09\u884c\u4e2d\u7684echo\u662flinux\u4e2d\u7684\u8f93\u51fa\u547d\u4ee4\uff0c\u8be5\u884c\u7684\u610f\u601d\u5f88\u660e\u663e\u7684\u5c31\u662f\u8f93\u51fahello world\uff01<\/p>\n<\/li>\n<\/ul>\n<p>\u7cbe\u901a\u5404\u79cd\u8bed\u8a00\u7684hello world\uff01\u770b\u4e00\u770b\u8fd8\u662f\u9ad8\u7ea7\u8bed\u8a00\u7684\u7b80\u6d01<\/p>\n<pre><code class=\"language-python\">#C++\n#include &lt;iostream&gt;\n int main(void)\n {\n  std::cout&lt;&lt;&quot;Hello world&quot;;\n }\n\n#C\n#include &lt;stdio.h&gt;\nint main(void)\n{\nprintf(&quot;\\nhello world!&quot;);\nreturn 0;\n}\n\n#JAVA\npublic class HelloWorld{\n  \/\/ \u7a0b\u5e8f\u7684\u5165\u53e3\n  public static void main(String args[]){\n    \/\/ \u5411\u63a7\u5236\u53f0\u8f93\u51fa\u4fe1\u606f\n    System.out.println(&quot;Hello World!&quot;);\n  }\n}\n\n#PHP\n&lt;?php  \n             echo &quot;hello world!&quot;;  \n?&gt;\n\n#Ruby\n\u65e5\u672c\u4eba\u5f00\u53d1\u7684\uff0c\u7838\u65e5\u672c\u8f66\u7684\u65f6\u5019\uff0c\u987a\u624b\u5c31\u628a\u4f60\u62d6\u51fa\u53bb\u6253\u6b7b\u4e86\uff0c\u796d\u5929\nputs &quot;Hello world.&quot;\n\n#GO\npackage main\nimport &quot;fmt&quot;\nfunc main(){\n\n    fmt.Printf(&quot;Hello World!\\n God Bless You!&quot;);\n\n}<\/code><\/pre>\n<h3>5.3 \u8fd0\u884cshell\u811a\u672c\u7a0b\u5e8f<\/h3>\n<p>\u7f16\u5199\u597dshell\u811a\u672c\u4e4b\u540e,\u8fd0\u884c\u5b83\u6709\u51e0\u79cd\u65b9\u5f0f<\/p>\n<ul>\n<li>\n<p>\u65b9\u5f0f\u4e00\uff1a\u7edd\u5bf9\u8def\u5f84\uff0c\u6b64\u65f6\u91c7\u7528\u7684\u662f\u6587\u4ef6\u5934\u6307\u5b9a\u7684\u89e3\u91ca\u5668\u6765\u89e3\u91ca\u6267\u884c\u6587\u4ef6\u5185\u4ee3\u7801<\/p>\n<pre><code class=\"language-python\"># \u6743\u9650\uff1a\n# 1\u3001\u5bf9\u6cbf\u9014\u6587\u4ef6\u5939\u6709x\u6743\u9650\n# 2\u3001\u5bf9\u76ee\u6807\u6587\u4ef6\u6709r\u548cx\u6743\u9650\n\n# \u4f8b\n[root@egon ~~]# ll -d \/a\nd--------x. 3 root root 15 11\u6708 15 11:05 \/a\n[root@egon ~~]# ll -d \/a\/b\nd--------x. 2 root root 18 11\u6708 15 11:06 \/a\/b\n[root@egon ~~]# ll \/a\/b\/hello.sh\n-rw-r--r-x. 1 root root 10 11\u6708 15 11:06 \/a\/b\/hello.sh\n[root@egon ~~]# su - egon\n[egon@egon ~~]$ \/a\/b\/hello.sh\nhello world!\n[egon@egon ~~]$ <\/code><\/pre>\n<\/li>\n<li>\n<p>\u65b9\u5f0f\u4e8c\uff1a\u76f8\u5bf9\u8def\u5f84\uff0c\u9700\u8981\u52a0.\/\u4f5c\u4e3a\u524d\u7f00\uff0c\u6b64\u65f6\u91c7\u7528\u7684\u4ecd\u662f\u6587\u4ef6\u5934\u6307\u5b9a\u7684\u89e3\u91ca\u5668\u6765\u89e3\u91ca\u6267\u884c\u6587\u4ef6\u5185\u4ee3\u7801<\/p>\n<pre><code class=\"language-python\"># \u6743\u9650\uff1a\n# 1\u3001\u5bf9\u6cbf\u9014\u6587\u4ef6\u5939\u6709x\u6743\u9650\n# 2\u3001\u5bf9\u76ee\u6807\u6587\u4ef6\u6709r\u548cx\u6743\u9650\n\n# \u4f8b\n[root@egon ~~]# ll -d \/a\nd--------x. 3 root root 15 11\u6708 15 11:05 \/a\n[root@egon ~~]# ll -d \/a\/b\nd--------x. 2 root root 18 11\u6708 15 11:06 \/a\/b\n[root@egon ~~]# ll \/a\/b\/hello.sh\n-rw-r--r-x. 1 root root 10 11\u6708 15 11:06 \/a\/b\/hello.sh\n[root@egon ~~]# su - egon\n[egon@egon ~~]$ \/a\/b\/hello.sh  # \u7edd\u5bf9\u8def\u5f84\u7684\u65b9\u5f0f\nhello world!\n[egon@egon ~~]$ cd \/a\n[egon@egon \/a\/a]$ .\/b\/hello.sh  # \u76f8\u5bf9\u8def\u5f84\u7684\u65b9\u5f0f\uff0c\u52a0.\/\u4f5c\u4e3a\u524d\u7f00\nhello world!\n[egon@egon \/a\/a]$ <\/code><\/pre>\n<\/li>\n<li>\n<p>\u65b9\u5f0f\u4e09\uff1a\u89e3\u91ca\u5668+\u6587\u4ef6\u8def\u5f84\uff08\u7edd\u5bf9\u8def\u5f84\u6216\u76f8\u5bf9\u8def\u5f84\u90fd\u53ef\u4ee5\uff09\uff0c\u6b64\u65f6\u91c7\u7528\u7684\u662f\u6211\u4eec\u81ea\u5df1\u6307\u5b9a\u7684\u89e3\u91ca\u5668\u6765\u89e3\u91ca\u6267\u884c\u6587\u4ef6\u5185\u4ee3\u7801<\/p>\n<pre><code class=\"language-python\"># \u6743\u9650\uff1a\n# 1\u3001\u5bf9\u6cbf\u9014\u6587\u4ef6\u5939\u6709x\u6743\u9650\n# 2\u3001\u5bf9\u76ee\u6807\u6587\u4ef6\u6709r\u6743\u9650\u5373\u53ef\n\u56e0\u4e3a\u6211\u4eec\u6267\u884c\u7684\u662f\u89e3\u91ca\u5668\uff0c\u5f53\u524d\u7528\u6237\u5bf9\u89e3\u91ca\u6709\u6267\u884c\u6743\u9650\u5c31\u53ef\u4ee5\u4e86\uff0c\u8fd9\u4e2a\u6743\u9650\u9ed8\u8ba4\u5c31\u6709\uff0c\u800c\u89e3\u91ca\u5668\u9700\u8981\u8bfb\u6587\u4ef6\u5185\u5bb9\u6765\u6267\u884c\uff0c\u6240\u4ee5\u9700\u8981\u5bf9\u76ee\u6807\u6587\u4ef6\u6709r\u6743\u9650\n\n# \u4f8b\n[root@egon ~~]# chmod -R o=x \/a\n[root@egon ~~]# chmod o=r \/a\/b\/hello.sh\n[root@egon ~~]# su - egon\n[egon@egon ~~]$ cd \/a\n[egon@egon \/a\/a]$ bash b\/hello.sh\nhello world!\n[egon@egon \/a\/a]$ <\/code><\/pre>\n<\/li>\n<li>\n<p>\u65b9\u5f0f\u56db\uff1a\u4e0a\u8ff0\u4e09\u79cd\u65b9\u5f0f\u90fd\u662f\u5728\u5b50shell\u8fdb\u7a0b\u4e2d\u6267\u884c\u7a0b\u5e8f\uff0c\u800c\u65b9\u5f0f\u56db\u5219\u662f\u5728\u5f53\u524dshell\u8fdb\u7a0b\u4e2d\u6267\u884c<\/p>\n<pre><code class=\"language-python\"># \u6743\u9650\uff1a\n# 1\u3001\u5bf9\u6cbf\u9014\u6587\u4ef6\u5939\u6709x\u6743\u9650\n# 2\u3001\u5bf9\u76ee\u6807\u6587\u4ef6\u6709r\u6743\u9650\u5373\u53ef\n\n\u4e0a\u8ff0\u4e09\u79cd\u65b9\u5f0f\u90fd\u662f\u5728\u5f53\u524dshell\u73af\u5883\u4e0b\u5f00\u542f\u4e86\u4e00\u4e2a\u65b0\u7684shell\u89e3\u91ca\u5668\u73af\u5883\/\u5b50shell\u6765\u6267\u884c\u7a0b\u5e8f\uff0c\u811a\u672c\u7a0b\u5e8f\u5728\u5b50shell\u4e2d\u8fd0\u884c\u5b8c\u6bd5\u540e\uff0c\u5b50shell\u73af\u5883\u968f\u5373\u5173\u95ed\uff0c\u7136\u540e\u8fd4\u56de\u5230\u7236\u7ea7shell\u5373\u5f53\u524dshell\u73af\u5883\u4e2d\uff0c\u5982\u679c\u5c31\u60f3\u5728\u5f53\u524dshell\u73af\u5883\u4e2d\u6267\u884c,\u9700\u8981\u8fd9\u4e48\u505a\n# \u4f8b\u5982\n[egon@localhost shell]$ cd \/home\/egon\/shell\/\n[egon@localhost shell]$ ll hello.sh # \u5f53\u524d\u7528\u6237egon\u5bf9\u8be5\u6587\u4ef6\u6ca1\u6709\u6267\u884c\u6743\u9650\n-rw-r--r--. 1 root root 60 8\u6708  14 18:33 hello.sh\n\n# \u4e0b\u9762\u4e24\u79cd\u65b9\u5f0f\u90fd\u4e00\u6837\n[root@egon ~~]# chmod -R o=x \/a\n[root@egon ~~]# chmod o=r \/a\/b\/hello.sh\n[root@egon ~~]# su - egon\n[egon@egon ~~]$ . \/a\/b\/hello.sh  # . \u540e\u8ddf\u7a7a\u683c\uff0c\u7136\u540e\u518d\u8ddf\u7edd\u5bf9\u8def\u5f84\nhello world!\n[egon@egon ~~]$ cd \/a\/b\/\n[egon@egon \/a\/b\/a\/b]$ . hello.sh # . \u540e\u8ddf\u7a7a\u683c\uff0c\u7136\u540e\u518d\u8ddf\u76f8\u5bf9\u8def\u5f84\nhello world!\n[egon@egon \/a\/b\/a\/b]$ source hello.sh  # \u8ddf\u4e0a\u8ff0\u65b9\u5f0f\u4e00\u6837\nhello world!<\/code><\/pre>\n<p>\u5728\u5f53\u524dshell\u89e3\u91ca\u5668\u8fdb\u7a0b\u4e2d\u6267\u884c\u811a\u672c\u4e0e\u5728\u5b50shell\u8fdb\u7a0b\u4e2d\u6267\u884c\u811a\u672c\u7684\u533a\u522b\u5728\u4e8e\u4f5c\u7528\u57df\uff0c\u540e\u7eed\u6211\u4eec\u4f1a\u8be6\u7ec6\u4ecb\u7ecd<\/p>\n<pre><code class=\"language-python\"># \u4e00\u4e2ashell\u73af\u5883\u5c31\u662f\u4e00\u4e2a\u5355\u72ec\u7684\u5168\u5c40\u4f5c\u7528\u57df\uff0c\u4e0d\u540c\u7684shell\u73af\u5883\uff0c\u65e0\u6cd5\u8bbf\u95ee\u5f7c\u6b64shell\u73af\u5883\u4e2d\u7684\u53d8\u91cf\n[root@egon ~~]# su - egon\n[egon@localhost ~]$ x=111\n[egon@localhost ~]$ cat \/a\/b\/hello.sh \n#!\/bin\/bash\n\necho \"hello world!\"  \necho $x  # \u6211\u4eec\u5728\u8fd9\u91cc\u8bbf\u95ee\u4e00\u4e0b\u5168\u5c40\u53d8\u91cfx\n\n[egon@localhost ~]$ source \/a\/b\/hello.sh  # \u5728\u5f53\u524dshell\u73af\u5883\u6267\u884c\uff0c\u53ef\u4ee5\u8bbf\u95ee\u5230x\nhello world!\n111         # \u53d6\u5230\u4e86x\u7684\u503c\n[egon@localhost ~]$ bash \/a\/b\/hello.sh  # \u5728\u5b50shell\u73af\u5883\u6267\u884c\uff0c\u4e0d\u80fd\u8bbf\u95ee\u5230x \nhello world!\n          # \u6b64\u5904\u6253\u5370\u7a7a<\/code><\/pre>\n<\/li>\n<\/ul>\n<h3>5.3 \u8c03\u8bd5shell\u7a0b\u5e8f<\/h3>\n<p>\u8c03\u8bd5\u65b9\u5f0f1\uff1a\u4ee5\u8c03\u8bd5\u7684\u65b9\u5f0f\u8fd0\u884c<\/p>\n<pre><code class=\"language-python\">[root@egon test]# sh -vx login.sh  # \u4e0d\u52a0-v\u9009\u9879\uff0c\u53ea\u4f1a\u663e\u793a\u7a0b\u5e8f\u4e2d\u8fd0\u884c\u7684\u4ee3\u7801\uff0c\u4e0d\u4f1a\u663e\u793a\u6ce8\u91ca\u4fe1\u606f<\/code><\/pre>\n<p>\u8c03\u8bd5\u65b9\u5f0f2\uff1a\u53ea\u8c03\u8bd5\u8bed\u6cd5\u662f\u5426\u6709\u95ee\u9898\uff0c\u6bd4\u5982if\u5224\u65ad\u5c11\u4e86fi\u7ed3\u5c3e<\/p>\n<pre><code class=\"language-python\">[root@egon test]# sh -n login.sh  <\/code><\/pre>\n<p>\u8c03\u8bd5\u65b9\u5f0f3\uff1a\u4ec5\u8c03\u8bd5\u811a\u672c\u7684\u4e00\u90e8\u5206\uff0c\u7528set -x\u4e0eset +x\u5305\u542b\uff0c\u8fd0\u884c\u8fc7\u7a0b\u4e2d\u4f1a\u53ea\u6253\u5370\u5b83\u4eec\u5305\u542b\u7684\u4ee3\u7801\u6bb5\u7684\u8fd0\u884c\u60c5\u51b5<\/p>\n<pre><code class=\"language-python\">[root@egon test]# cat login.sh \n#!\/usr\/bin\/env bash\nset -x\nread -p &quot;\u8bf7\u8f93\u5165\u60a8\u7684\u540d\u5b57: &quot; name\nread -p &quot;\u8bf7\u8f93\u5165\u60a8\u7684\u5bc6\u7801: &quot; pwd\nset +x\nif [[ &quot;$name&quot; == &quot;egon&quot; &amp;&amp; &quot;$pwd&quot; == &quot;123&quot; ]];then\n    echo &quot;\u767b\u5f55\u6210\u529f&quot;\nelse\n    echo &quot;\u8d26\u53f7\u6216\u5bc6\u7801\u9519\u8bef&quot;\nfi\n[root@egon test]# . login.sh <\/code><\/pre>\n<h3>5.4 \u6ce8\u91ca\u662f\u4ee3\u7801\u4e4b\u6bcd<\/h3>\n<p>\u200b   \u4e95\u53f7#\u5f00\u5934\u7684\u5185\u5bb9\u4e0d\u4f1a\u6267\u884c\uff0c\u6ce8\u91ca\u7684\u4f5c\u7528\u6709\u4e8c<\/p>\n<ul>\n<li>\n<p>1\u3001\u6ce8\u91ca\u6389\u6682\u65f6\u4e0d\u60f3\u8fd0\u884c\u7684\u4ee3\u7801<\/p>\n<\/li>\n<li>\n<p>2\u3001\u4e3a\u5173\u952e\u4ee3\u7801\u6dfb\u52a0\u6ce8\u89e3\u8bf4\u660e\uff0c\u589e\u5f3a\u7a0b\u5e8f\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027<\/p>\n<pre><code class=\"language-python\">1. \u53ef\u4ee5\u52a0\u5728\u88ab\u6ce8\u91ca\u4ee3\u7801\u7684\u6b63\u4e0a\u65b9\u5355\u72ec\u4e00\u884c\uff0c\u6216\u8005\u88ab\u6ce8\u91ca\u4ee3\u7801\u7684\u6b63\u540e\u65b9\uff0c\u4f8b\u5982\n# \u6ce8\u91ca\u3002\u3002\u3002\necho \"hello\"  # \u6ce8\u91ca\u3002\u3002\u3002\n\n2. \u4e0d\u7528\u5168\u90e8\u52a0\u6ce8\u91ca\uff0c\u53ea\u9700\u8981\u5728\u81ea\u5df1\u89c9\u5f97\u91cd\u8981\u6216\u4e0d\u597d\u7406\u89e3\u7684\u90e8\u5206\u52a0\u6ce8\u91ca\u5373\u53ef\n\n3. \u6ce8\u91ca\u53ef\u4ee5\u7528\u4e2d\u6587\u6216\u82f1\u6587\uff0c\u4f46\u4e0d\u8981\u7528\u62fc\u97f3<\/code><\/pre>\n<\/li>\n<\/ul>\n<h2>\u516d shell\u7f16\u5199\u89c4\u8303\u4e0e\u5efa\u8bae<\/h2>\n<p><strong>\u4e00 \u811a\u672c\u7f16\u5199\u89c4\u8303<\/strong><\/p>\n<ul>\n<li>\n<p>1\u3001\u811a\u672c\u5b58\u653e\u76ee\u5f55\u9700\u8981\u7edf\u4e00<\/p>\n<\/li>\n<li>\n<p>2\u3001shell\u811a\u672c\u7684\u7ed3\u5c3e\u4ee5.sh <\/p>\n<\/li>\n<li>\n<p>3\u3001\u811a\u672c\u5f00\u5934\u8981\u6709\u89e3\u91ca\u5668\u5982#!\/bin\/bash \u6216\u8005 #!\/usr\/bin\/env bash<\/p>\n<\/li>\n<li>\n<p>4\u3001\u811a\u672c\u5f00\u5934\u6ce8\u610f\u52a0\u65f6\u95f4\u3001\u4f5c\u8005\u3001\u8054\u7cfb\u90ae\u7bb1\u3001\u811a\u672c\u4f5c\u7528\u7b49\u4fe1\u606f<\/p>\n<pre><code class=\"language-python\"># Author egon 2020-8-30  version 1  des\uff1axxxxx<\/code><\/pre>\n<\/li>\n<li>\n<p>5\u3001\u5173\u952e\u4ee3\u7801\u5e94\u8be5\u7528#\u53f7\u52a0\u4e0a\u6ce8\u91ca<\/p>\n<\/li>\n<\/ul>\n<p><strong>\u4e8c \u4ee3\u7801\u7f16\u5199\u597d\u4e60\u60ef<\/strong><\/p>\n<ul>\n<li>\n<p>1\u3001\u6210\u5bf9\u7684\u7b26\u53f7\u5c3d\u91cf\u4e00\u6b21\u6027\u5199\u51fa\u6765\uff0c\u9632\u6b62\u9057\u6f0f<\/p>\n<pre><code class=\"language-python\">\u4f8b\u5982\u5927\u62ec\u53f7{}\uff0c\u4e2d\u62ec\u53f7[]\uff0c\u5c0f\u62ec\u53f7()\uff0c\u5355\u5f15\u53f7\u2019\u2019\uff0c\u53cc\u5f15\u53f7\u201d\u201d\uff0c\u53cd\u5f15\u53f7``\u7b49<\/code><\/pre>\n<\/li>\n<li>\n<p>2\u3001\u62ec\u53f7\u7684\u4fdd\u7559\u7a7a\u683c\u4e60\u60ef<\/p>\n<pre><code class=\"language-python\">\u4e2d\u62ec\u53f7[ ]\u4e24\u7aef\u9700\u8981\u7559\u6709\u7a7a\u683c\uff0c\u4e0d\u7136\u4f1a\u62a5\u9519\u3002\u4e66\u5199\u65f6\u5373\u53ef\u7559\u51fa\u7a7a\u683c\u7136\u540e\u4e66\u5199\u5185\u5bb9\u3002\n\u5982\u679c\u4e0d\u77e5\u9053\u5927\u62ec\u53f7{}\uff0c\u4e2d\u62ec\u53f7[]\uff0c\u5c0f\u62ec\u53f7()\uff0c\u5230\u5e95\u54ea\u79cd\u62ec\u53f7\u9700\u8981\u4e24\u7aef\u7559\u7a7a\u683c\uff0c\u53ef\u4ee5\u5728\u4e66\u5199\u8fd9\u4e9b\u62ec\u53f7\u7684\u65f6\u5019\u4e24\u7aef\u90fd\u4fdd\u7559\u7a7a\u683c\u6765\u8fdb\u884c\u4e66\u5199\uff0c\u8fd9\u6837\u53ef\u4ee5\u6709\u6548\u907f\u514d\u56e0\u7a7a\u683c\u5bfc\u81f4\u7684\u5404\u79cd\u9519\u8bef\u3002<\/code><\/pre>\n<\/li>\n<li>\n<p>3\u3001\u6d41\u7a0b\u63a7\u5236\u8bed\u53e5\u4e00\u6b21\u6027\u4e66\u5199\u5b8c\u518d\u6dfb\u52a0\u5185\u5bb9<\/p>\n<pre><code class=\"language-python\">\u4f8b1\uff1aif\u8bed\u53e5\u683c\u5f0f\u4e00\u6b21\u4e66\u5199\u5b8c\u6210\n\nif \u6761\u4ef6\u5185\u5bb9\nthen\n\u6761\u4ef6\u6210\u7acb\u540e\u6267\u884c\u7684\u4ee3\u7801\nfi\n\n\u4f8b2\uff1afor\u5faa\u73af\u683c\u5f0f\u4e00\u6b21\u4e66\u5199\u5b8c\u6210\n\nfor\u6761\u4ef6\u5185\u5bb9\n do\n   \u6761\u4ef6\u6210\u7acb\u540e\u6267\u884c\u7684\u4ee3\u7801\n done\n\u63d0\u793a\uff1awhile\u3001until\u3001case\u7b49\u8bed\u53e5\u4e5f\u662f\u4e00\u6837<\/code><\/pre>\n<\/li>\n<li>\n<p>4\u3001\u4ee3\u7801\u7f29\u8fdb\u63d0\u9ad8\u53ef\u8bfb\u6027<\/p>\n<\/li>\n<\/ul>\n<p>ok\uff0c\u7b80\u5355\u4e86\u89e3\u5b8cshell\u7a0b\u5e8f\u7684\u7f16\u5199\u3001\u6267\u884c\u3001\u8c03\u8bd5\u4e4b\u540e\uff0c\u5c31\u8ba9\u6211\u4eec\u5f00\u59cb\u5b66\u4e60\u8fd9\u95e8\u7f16\u7a0b\u8bed\u8a00\u7684\u8bed\u6cd5\u5427\uff01\uff01\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>shell\u57fa\u7840 \u4e00 \u7f16\u7a0b\u4e0e\u7f16\u7a0b\u8bed\u8a00 Shell\u662f\u4e00\u95e8\u7f16\u7a0b\u8bed\u8a00\uff0c\u4f5c\u4e3a\u5b66\u4e60shell\u7684\u5f00\u59cb\uff0c\u9700\u8981\u4e8b\u5148\u641e\u660e\u767d\uff1a\u7f16\u7a0b\u7684 [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":383,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[62],"tags":[21,19,75,22,20],"_links":{"self":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/382"}],"collection":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=382"}],"version-history":[{"count":0,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/382\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/media\/383"}],"wp:attachment":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=382"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=382"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=382"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}