{"id":31413,"date":"2025-04-21T12:01:21","date_gmt":"2025-04-21T04:01:21","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/31413.html"},"modified":"2025-04-21T12:01:21","modified_gmt":"2025-04-21T04:01:21","slug":"%e3%80%90shell%e3%80%91%e7%ae%97%e6%9c%af%e8%bf%90%e7%ae%97%e7%ac%a6%e3%80%81%e6%b5%81%e7%a8%8b%e6%8e%a7%e5%88%b6%e3%80%81%e5%87%bd%e6%95%b0%e4%bd%bf%e7%94%a8%e3%80%81%e6%95%b0%e7%bb%84%e4%bb%a5","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/31413.html","title":{"rendered":"\u3010Shell\u3011\u7b97\u672f\u8fd0\u7b97\u7b26\u3001\u6d41\u7a0b\u63a7\u5236\u3001\u51fd\u6570\u4f7f\u7528\u3001\u6570\u7ec4\u4ee5\u53ca\u52a0\u8f7d\u5176\u5b83\u6587\u4ef6\u7684\u53d8\u91cf"},"content":{"rendered":"

\u6587\u7ae0\u76ee\u5f55<\/h2>\n

1.6 Shell\u7b97\u672f\u8fd0\u7b97\u7b26<\/p>\n

1 \u7b80\u4ecb<\/p>\n

2 \u4f8b\u5b50<\/p>\n

1.7\u6d41\u7a0b\u63a7\u5236<\/p>\n

1 if else<\/p>\n

\u5173\u7cfb\u8fd0\u7b97\u7b26<\/p>\n

2 for \u5faa\u73af<\/p>\n

3 while \u8bed\u53e5<\/p>\n

4 \u65e0\u9650\u5faa\u73af<\/p>\n

5 case(switch)<\/p>\n

6 \u8df3\u51fa\u5faa\u73af<\/p>\n

1.8 \u51fd\u6570\u4f7f\u7528<\/p>\n

1 \u51fd\u6570\u7684\u5feb\u901f\u5165\u95e8<\/p>\n

2 \u4f20\u9012\u53c2\u6570\u7ed9\u51fd\u6570<\/p>\n

1.9 \u6570\u7ec4<\/p>\n

1 \u5b9a\u4e49\u6570\u7ec4<\/p>\n

2 \u8bfb\u53d6\u6570\u7ec4<\/p>\n

3 \u904d\u5386\u6570\u7ec4<\/p>\n

1.10 \u52a0\u8f7d\u5176\u5b83\u6587\u4ef6\u7684\u53d8\u91cf<\/p>\n

1 \u7b80\u4ecb<\/p>\n

2 \u7ec3\u4e60<\/p>\n

1.6 Shell<\/span>\u7b97\u672f\u8fd0\u7b97\u7b26 <\/span><\/h2>\n

1 <\/span>\u7b80\u4ecb <\/span><\/h3>\n<\/p>\n

Shell <\/span>
\n \u548c\u5176\u4ed6\u7f16\u7a0b\u4e00\u6837，<\/span>
\n \u652f\u6301<\/span>
\n \u5305\u62ec：\u7b97\u672f\u3001\u5173\u7cfb\u3001\u5e03\u5c14\u3001\u5b57\u7b26\u4e32\u7b49\u8fd0\u7b97\u7b26\u3002 <\/span> <\/p>\n

\u539f\u751f<\/span>
\n bash <\/span>
\n \u4e0d\u652f\u6301 <\/span>
\n \u7b80\u5355\u7684\u6570\u5b66\u8fd0\u7b97，\u4f46\u662f\u53ef\u4ee5\u901a\u8fc7\u5176\u4ed6\u547d\u4ee4\u6765\u5b9e\u73b0，\u4f8b\u5982<\/span>
\n expr<\/span>
\n \u3002 <\/span> <\/p>\n

expr <\/span>
\n \u662f\u4e00\u6b3e\u8868\u8fbe\u5f0f\u8ba1\u7b97\u5de5\u5177，\u4f7f\u7528\u5b83\u80fd\u5b8c\u6210\u8868\u8fbe\u5f0f\u7684\u6c42\u503c\u64cd\u4f5c\u3002 <\/span> <\/p>\n

\u4f8b\u5982，\u4e24\u4e2a\u6570\u76f8\u52a0： <\/span> <\/p>\n

\"\" <\/p>\n

\u6ce8\u610f： <\/span> <\/p>\n

\u8868\u8fbe\u5f0f\u548c\u8fd0\u7b97\u7b26\u4e4b\u95f4\u8981\u6709\u7a7a\u683c<\/span>
\n ，\u4f8b\u5982<\/span>
\n 2+2 <\/span>
\n \u662f\u4e0d\u5bf9\u7684，\u5fc5\u987b\u5199\u6210<\/span>
\n 2 + 2<\/span>
\n \u3002 <\/span> <\/p>\n

\u5b8c\u6574\u7684\u8868\u8fbe\u5f0f\u8981\u88ab <\/span>
\n ` <\/span>
\n \u5305\u542b，\u6ce8\u610f\u4e0d\u662f\u5355\u5f15\u53f7，\u5728<\/span>
\n Esc <\/span>
\n \u952e\u4e0b\u8fb9\u3002 <\/span> <\/p>\n

\u4e0b\u8868\u5217\u51fa\u4e86\u5e38\u7528\u7684\u7b97\u672f\u8fd0\u7b97\u7b26，\u5047\u5b9a\u53d8\u91cf<\/span>
\n a <\/span>
\n \u4e3a<\/span>
\n 10<\/span>
\n ，\u53d8\u91cf<\/span>
\n b <\/span>
\n \u4e3a 20： <\/span>
\n \"\" <\/p>\n

\u6ce8\u610f：<\/span>
\n \u6761\u4ef6\u8868\u8fbe\u5f0f\u8981\u653e\u5728\u65b9\u62ec\u53f7\u4e4b\u95f4，\u5e76\u4e14\u8981\u6709\u7a7a\u683c，\u4f8b\u5982<\/span>
\n : <\/span>
\n [$a==$b] <\/span>
\n \u662f\u9519\u8bef\u7684，\u5fc5\u987b\u5199\u6210 <\/span>
\n [ $a == $b <\/span> <\/p>\n

]<\/span>
\n \u3002 <\/span> <\/p>\n

2 <\/span>\u4f8b\u5b50<\/span><\/h3>\n

\"\"<\/p>\n

\"\"<\/p>\n

1.7<\/span>\u6d41\u7a0b\u63a7\u5236 <\/span><\/h2>\n

1 if else <\/span><\/h3>\n<\/p>\n

1.1 if <\/span> <\/p>\n

if <\/span>
\n \u8bed\u53e5\u8bed\u6cd5\u683c\u5f0f：<\/span> <\/p>\n

\"\" <\/p>\n

demo <\/span><\/p>\n

\"\"<\/p>\n

\u672b\u5c3e\u7684<\/span>
\n fifi<\/span>
\n \u5c31\u662f<\/span>
\n if<\/span>
\n \u5012\u8fc7\u6765\u62fc\u5199，\u540e\u9762\u8fd8\u4f1a\u9047\u5230\u7c7b\u4f3c\u7684\u3002 <\/span> <\/p>\n

1.2 if else <\/span> <\/p>\n

if else <\/span>
\n \u8bed\u6cd5\u683c\u5f0f： <\/span> <\/p>\n

\"\" <\/p>\n

1.3 if else-if else <\/span> <\/p>\n

if else-if else <\/span>
\n \u8bed\u6cd5\u683c\u5f0f： <\/span> <\/p>\n

\"\" <\/p>\n

\u4ee5\u4e0b\u5b9e\u4f8b\u5224\u65ad\u4e24\u4e2a\u53d8\u91cf\u662f\u5426\u76f8\u7b49：<\/span>\u00a0<\/p>\n

\u5173\u7cfb\u8fd0\u7b97\u7b26 <\/span><\/h3>\n<\/p>\n

\u5173\u7cfb\u8fd0\u7b97\u7b26\u53ea\u652f\u6301\u6570\u5b57，\u4e0d\u652f\u6301\u5b57\u7b26\u4e32，\u9664\u975e\u5b57\u7b26\u4e32\u7684\u503c\u662f\u6570\u5b57\u3002 <\/span> <\/p>\n

\u4e0b\u8868\u5217\u51fa\u4e86\u5e38\u7528\u7684\u5173\u7cfb\u8fd0\u7b97\u7b26，\u5047\u5b9a\u53d8\u91cf<\/span>
\n a <\/span>
\n \u4e3a<\/span>
\n 10<\/span>
\n ，\u53d8\u91cf<\/span>
\n b <\/span>
\n \u4e3a<\/span>
\n 20<\/span>
\n ：<\/span> <\/p>\n

\"\" <\/p>\n

\u6848\u4f8b<\/span>: <\/span><\/p>\n

\"\"\u00a0\"\"<\/p>\n

2 for <\/span>\u5faa\u73af<\/span><\/h3>\n

2.1 <\/span>\u683c\u5f0f<\/span><\/p>\n

\"\"<\/p>\n

2.2 <\/span>\u968f\u5802\u7ec3\u4e60 <\/span><\/p>\n

\"\"<\/p>\n

\u4ee3\u7801\u5982\u4e0b<\/span>: <\/span><\/p>\n

\"\"<\/p>\n

\"\"<\/p>\n

3 while <\/span>\u8bed\u53e5<\/span><\/h3>\n<\/p>\n

while<\/span>
\n \u5faa\u73af\u7528\u4e8e\u4e0d\u65ad\u6267\u884c\u4e00\u7cfb\u5217\u547d\u4ee4，\u4e5f\u7528\u4e8e\u4ece\u8f93\u5165\u6587\u4ef6\u4e2d\u8bfb\u53d6\u6570\u636e；\u547d\u4ee4\u901a\u5e38\u4e3a\u6d4b\u8bd5\u6761\u4ef6\u3002\u5176\u683c\u5f0f <\/span> <\/p>\n

\u4e3a： <\/span> <\/p>\n

\"\" <\/p>\n

\u9700\u6c42<\/span>: <\/span>\u8ba1\u7b97<\/span> 1~100 <\/span>\u7684\u548c <\/span><\/p>\n

\"\"\u00a0\u8fd0\u884c\u811a\u672c，\u8f93\u51fa： <\/span><\/p>\n

\"\"<\/p>\n

\u4f7f\u7528\u4e2d\u4f7f\u7528\u4e86<\/span>
\n Bash let <\/span>
\n \u547d\u4ee4，\u5b83\u7528\u4e8e\u6267\u884c\u4e00\u4e2a\u6216\u591a\u4e2a\u8868\u8fbe\u5f0f，\u53d8\u91cf\u8ba1\u7b97\u4e2d\u4e0d\u9700\u8981\u52a0\u4e0a<\/span>
\n $ <\/span>
\n \u6765\u8868\u793a\u53d8\u91cf， <\/span> <\/p>\n

\u5177\u4f53\u53ef\u67e5\u9605：<\/span>
\n Bash let <\/span>
\n \u547d\u4ee4<\/span>
\n \u3002 <\/span> <\/p>\n

4 <\/span>\u65e0\u9650\u5faa\u73af<\/span><\/h3>\n

\u65e0\u9650\u5faa\u73af\u8bed\u6cd5\u683c\u5f0f：<\/span><\/p>\n

\"\"<\/p>\n

\u00a0\"\"<\/p>\n

\"\"<\/p>\n

5 case(switch)<\/span><\/h3>\n<\/p>\n

Shell case<\/span>
\n \u8bed\u53e5\u4e3a\u591a\u9009\u62e9\u8bed\u53e5\u3002\u53ef\u4ee5\u7528<\/span>
\n case<\/span>
\n \u8bed\u53e5\u5339\u914d\u4e00\u4e2a\u503c\u4e0e\u4e00\u4e2a\u6a21\u5f0f，\u5982\u679c\u5339\u914d\u6210\u529f，\u6267\u884c\u76f8\u5339\u914d\u7684 <\/span> <\/p>\n

\u547d\u4ee4\u3002<\/span>
\n case<\/span>
\n \u8bed\u53e5\u683c\u5f0f\u5982\u4e0b： <\/span> <\/p>\n

\"\" <\/p>\n

case<\/span>
\n \u5de5\u4f5c\u65b9\u5f0f\u5982\u4e0a\u6240\u793a\u3002\u53d6\u503c\u540e\u9762\u5fc5\u987b\u4e3a\u5355\u8bcd<\/span>
\n in<\/span>
\n ，\u6bcf\u4e00\u6a21\u5f0f\u5fc5\u987b\u4ee5\u53f3\u62ec\u53f7\u7ed3\u675f\u3002\u53d6\u503c\u53ef\u4ee5\u4e3a\u53d8\u91cf\u6216\u5e38 <\/span> <\/p>\n

\u6570\u3002\u5339\u914d\u53d1\u73b0\u53d6\u503c\u7b26\u5408\u67d0\u4e00\u6a21\u5f0f\u540e，\u5176\u95f4\u6240\u6709\u547d\u4ee4\u5f00\u59cb\u6267\u884c\u76f4\u81f3<\/span>
\n ;;<\/span>
\n \u3002 <\/span> <\/p>\n

\u53d6\u503c\u5c06\u68c0\u6d4b\u5339\u914d\u7684\u6bcf\u4e00\u4e2a\u6a21\u5f0f\u3002\u4e00\u65e6\u6a21\u5f0f\u5339\u914d，\u5219\u6267\u884c\u5b8c\u5339\u914d\u6a21\u5f0f\u76f8\u5e94\u547d\u4ee4\u540e\u4e0d\u518d\u7ee7\u7eed\u5176\u4ed6\u6a21\u5f0f\u3002\u5982\u679c <\/span> <\/p>\n

\u65e0\u4e00\u5339\u914d\u6a21\u5f0f，\u4f7f\u7528\u661f\u53f7<\/span>
\n * <\/span>
\n \u6355\u83b7\u8be5\u503c，\u518d\u6267\u884c\u540e\u9762\u7684\u547d\u4ee4\u3002 <\/span> <\/p>\n

\u4e0b\u9762\u7684\u811a\u672c\u63d0\u793a\u8f93\u5165<\/span>
\n 1<\/span>
\n \u5230<\/span>
\n 4<\/span>
\n ，\u4e0e\u6bcf\u4e00\u79cd\u6a21\u5f0f\u8fdb\u884c\u5339\u914d： <\/span> <\/p>\n

\"\" <\/p>\n

\u8f93\u5165\u4e0d\u540c\u7684\u5185\u5bb9，\u4f1a\u6709\u4e0d\u540c\u7684\u7ed3\u679c，\u4f8b\u5982：<\/span><\/p>\n

\"\"<\/p>\n

6 <\/span>\u8df3\u51fa\u5faa\u73af <\/span><\/h3>\n<\/p>\n

\u5728\u5faa\u73af\u8fc7\u7a0b\u4e2d，\u6709\u65f6\u5019\u9700\u8981\u5728\u672a\u8fbe\u5230\u5faa\u73af\u7ed3\u675f\u6761\u4ef6\u65f6\u5f3a\u5236\u8df3\u51fa\u5faa\u73af，<\/span>
\n Shell<\/span>
\n \u4f7f\u7528\u4e24\u4e2a\u547d\u4ee4\u6765\u5b9e\u73b0\u8be5\u529f\u80fd： <\/span> <\/p>\n

break<\/span>
\n \u548c<\/span>
\n continue<\/span>
\n \u3002 <\/span> <\/p>\n

6.1 break<\/span>
\n \u547d\u4ee4 <\/span> <\/p>\n

break<\/span>
\n \u547d\u4ee4\u5141\u8bb8\u8df3\u51fa\u6240\u6709\u5faa\u73af（\u7ec8\u6b62\u6267\u884c\u540e\u9762\u7684\u6240\u6709\u5faa\u73af）\u3002<\/span> <\/p>\n

\"\" <\/p>\n

\u00a0\"\"<\/p>\n

6.2 continue <\/span> <\/p>\n

continue<\/span>
\n \u547d\u4ee4\u4e0e<\/span>
\n break<\/span>
\n \u547d\u4ee4\u7c7b\u4f3c，\u53ea\u6709\u4e00\u70b9\u5dee\u522b，\u5b83\u4e0d\u4f1a\u8df3\u51fa\u6240\u6709\u5faa\u73af，\u4ec5\u4ec5\u8df3\u51fa\u5f53\u524d\u5faa\u73af\u3002<\/span> <\/p>\n

\"\" <\/p>\n

\"\"<\/p>\n

1.8 <\/span>\u51fd\u6570\u4f7f\u7528<\/span><\/h2>\n

1 <\/span>\u51fd\u6570\u7684\u5feb\u901f\u5165\u95e8<\/span><\/h3>\n

\u683c\u5f0f <\/span><\/p>\n

\"\"<\/p>\n

\u53ef\u4ee5\u5e26<\/span>
\n function fun() <\/span>
\n \u5b9a\u4e49，\u4e5f\u53ef\u4ee5\u76f4\u63a5<\/span>
\n fun() <\/span>
\n \u5b9a\u4e49<\/span>
\n ,<\/span>
\n \u4e0d\u5e26\u4efb\u4f55\u53c2\u6570\u3002 <\/span> <\/p>\n

\u53c2\u6570\u8fd4\u56de，\u53ef\u4ee5\u663e\u793a\u52a0：<\/span>
\n return <\/span>
\n \u8fd4\u56de，\u5982\u679c\u4e0d\u52a0，\u5c06\u4ee5\u6700\u540e\u4e00\u6761\u547d\u4ee4\u8fd0\u884c\u7ed3\u679c，\u4f5c\u4e3a\u8fd4\u56de <\/span> <\/p>\n

\u503c\u3002<\/span>
\n return<\/span>
\n \u540e\u8ddf\u6570\u503c<\/span>
\n n(0-255) <\/span> <\/p>\n

\u5feb\u901f\u5165\u95e8 <\/span> <\/p>\n

\"\" <\/p>\n

2 <\/span>\u4f20\u9012\u53c2\u6570\u7ed9\u51fd\u6570 <\/span><\/h3>\n<\/p>\n

\u5728<\/span>
\n Shell<\/span>
\n \u4e2d，\u8c03\u7528\u51fd\u6570\u65f6\u53ef\u4ee5\u5411\u5176\u4f20\u9012\u53c2\u6570\u3002\u5728\u51fd\u6570\u4f53\u5185\u90e8，\u901a\u8fc7 <\/span>
\n \u7684 \u5f62 \u5f0f \u6765 \u83b7 \u53d6 \u53c2 \u6570 \u7684 \u503c ， \u4f8b \u5982 ， <\/span>
\n 1<\/span>
\n \u8868\u793a <\/span> <\/p>\n

\u7b2c\u4e00\u4e2a\u53c2\u6570，<\/span>
\n $2<\/span>
\n \u8868\u793a\u7b2c\u4e8c\u4e2a\u53c2\u6570<\/span>
\n … <\/span> <\/p>\n

\u5e26\u53c2\u6570\u7684\u51fd\u6570\u793a\u4f8b： <\/span>
\n \"\" <\/p>\n

\u8f93\u51fa\u7ed3\u679c：<\/span><\/p>\n

\"\"<\/p>\n

\u6ce8\u610f， <\/span>
\n \u4e0d \u80fd \u83b7 \u53d6 \u7b2c \u5341 \u4e2a \u53c2 \u6570 ， \u83b7 \u53d6 \u7b2c \u5341 \u4e2a \u53c2 \u6570 \u9700 \u8981 <\/span>
\n {10}<\/span>
\n \u3002\u5f53<\/span>
\n n>=10<\/span>
\n \u65f6，\u9700\u8981\u4f7f\u7528<\/span>
\n ${n}<\/span>
\n \u6765\u83b7\u53d6\u53c2\u6570\u3002 <\/span> <\/p>\n

\u53e6\u5916，\u8fd8\u6709\u51e0\u4e2a\u7279\u6b8a\u5b57\u7b26\u7528\u6765\u5904\u7406\u53c2\u6570：<\/span> <\/p>\n

\"\"\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/p>\n

1.9 <\/span>\u6570\u7ec4 <\/span><\/h2>\n

1 <\/span>\u5b9a\u4e49\u6570\u7ec4<\/span><\/h3>\n<\/p>\n

\u6570\u7ec4\u4e2d\u53ef\u4ee5\u5b58\u653e\u591a\u4e2a\u503c\u3002<\/span>
\n Bash Shell <\/span>
\n \u53ea\u652f\u6301\u4e00\u7ef4\u6570\u7ec4<\/span>
\n （\u4e0d\u652f\u6301\u591a\u7ef4\u6570\u7ec4），\u521d\u59cb\u5316\u65f6\u4e0d\u9700\u8981\u5b9a\u4e49\u6570\u7ec4\u5927 <\/span> <\/p>\n

\u5c0f（\u3002 <\/span> <\/p>\n

\u4e0e\u5927\u90e8\u5206\u7f16\u7a0b\u8bed\u8a00\u7c7b\u4f3c，\u6570\u7ec4\u5143\u7d20\u7684\u4e0b\u6807\u7531<\/span>
\n 0<\/span>
\n \u5f00\u59cb\u3002 <\/span> <\/p>\n

Shell <\/span>
\n \u6570\u7ec4\u7528\u62ec\u53f7\u6765\u8868\u793a，\u5143\u7d20\u7528<\/span>
\n "<\/span>
\n \u7a7a\u683c<\/span>
\n "<\/span>
\n \u7b26\u53f7\u5206\u5272\u5f00，\u8bed\u6cd5\u683c\u5f0f\u5982\u4e0b： <\/span> <\/p>\n

array_name=(value1 value2 value3 … valuen)<\/span> <\/p>\n

1.1 <\/span>
\n \u5b9e\u4f8b <\/span> <\/p>\n

\"\" <\/p>\n

\u8bfb\u53d6\u6570\u7ec4\u5143\u7d20\u503c\u7684\u4e00\u822c\u683c\u5f0f\u662f： <\/span><\/p>\n

2.1 <\/span>\u5b9e\u4f8b<\/span><\/p>\n

\"\"<\/p>\n

\u6267\u884c\u811a\u672c，\u8f93\u51fa\u7ed3\u679c\u5982\u4e0b\u6240\u793a： <\/span>\u00a0<\/p>\n

\"\"<\/p>\n

2.2 <\/span>
\n \u83b7\u53d6\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20 <\/span> <\/p>\n

\u4f7f\u7528<\/span>
\n @ <\/span>
\n \u6216<\/span>
\n * <\/span>
\n \u53ef\u4ee5\u83b7\u53d6\u6570\u7ec4\u4e2d\u7684\u6240\u6709\u5143\u7d20，\u4f8b\u5982：<\/span> <\/p>\n

\"\" <\/p>\n

\u6267\u884c\u811a\u672c，\u8f93\u51fa\u7ed3\u679c\u5982\u4e0b\u6240\u793a： <\/span><\/p>\n

\"\"<\/p>\n

2.3 <\/span>
\n \u83b7\u53d6\u6570\u7ec4\u7684\u957f\u5ea6 <\/span> <\/p>\n

\u83b7\u53d6\u6570\u7ec4\u957f\u5ea6\u7684\u65b9\u6cd5\u4e0e\u83b7\u53d6\u5b57\u7b26\u4e32\u957f\u5ea6\u7684\u65b9\u6cd5\u76f8\u540c，\u4f8b\u5982： <\/span> <\/p>\n

\"\" <\/p>\n

\u6267\u884c\u811a\u672c，\u8f93\u51fa\u7ed3\u679c\u5982\u4e0b\u6240\u793a： <\/span><\/p>\n

\"\"<\/p>\n

3 <\/span>\u904d\u5386\u6570\u7ec4 <\/span><\/h3>\n

3.1 <\/span>\u65b9\u5f0f\u4e00 <\/span><\/p>\n

\"\"<\/p>\n

3.2 <\/span>\u65b9\u5f0f\u4e8c <\/span><\/p>\n

\"\"<\/p>\n

1.10 <\/span>\u52a0\u8f7d\u5176\u5b83\u6587\u4ef6\u7684\u53d8\u91cf<\/span><\/h2>\n

\"\"<\/p>\n

1 <\/span>\u7b80\u4ecb <\/span><\/h3>\n<\/p>\n

\u548c\u5176\u4ed6\u8bed\u8a00\u4e00\u6837，<\/span>
\n Shell <\/span>
\n \u4e5f\u53ef\u4ee5\u5305\u542b\u5916\u90e8\u811a\u672c\u3002\u8fd9\u6837\u53ef\u4ee5\u5f88\u65b9\u4fbf\u7684\u5c01\u88c5\u4e00\u4e9b\u516c\u7528\u7684\u4ee3\u7801\u4f5c\u4e3a\u4e00\u4e2a\u72ec\u7acb\u7684 <\/span> <\/p>\n

\u6587\u4ef6\u3002 <\/span> <\/p>\n

Shell \u6587\u4ef6\u5305\u542b\u7684\u8bed\u6cd5\u683c\u5f0f\u5982\u4e0b：<\/span>
\n \"\" <\/p>\n

2 <\/span>\u7ec3\u4e60<\/span><\/h3>\n<\/p>\n

\u5b9a\u4e49\u4e24\u4e2a\u6587\u4ef6<\/span>
\n test1.sh<\/span>
\n \u548c<\/span>
\n test2.sh<\/span>
\n ，\u5728<\/span>
\n test1<\/span>
\n \u4e2d\u5b9a\u4e49\u4e00\u4e2a\u53d8\u91cf<\/span>
\n arr=(java c++ shell),<\/span>
\n \u5728<\/span>
\n test2<\/span>
\n \u4e2d\u5bf9<\/span>
\n arr<\/span>
\n \u8fdb\u884c\u5faa <\/span> <\/p>\n

\u73af\u6253\u5370\u8f93\u51fa\u3002 <\/span> <\/p>\n

\u7b2c\u4e00\u6b65: vim test1.sh <\/span>
\n \"\" <\/p>\n

\u7b2c\u4e8c\u6b65<\/span>: vim test2.sh<\/span><\/p>\n

\"\"<\/p>\n

\u7b2c\u4e09\u6b65<\/span>: <\/span>\u6267\u884c<\/span> test2.sh<\/span><\/p>\n

\"\"<\/p>\n

\u597d\u5904<\/span>
\n : <\/span> <\/p>\n

1. <\/span>
\n \u6570\u636e\u6e90 \u548c \u4e1a\u52a1\u5904\u7406 \u5206\u79bb <\/span> <\/p>\n

2. <\/span>
\n \u590d\u7528 \u4ee3\u7801\u6269\u5c55\u6027\u66f4\u5f3a<\/span> <\/p>\n","protected":false},"excerpt":{"rendered":"

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