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                ThinkChat2.0新版上線,更智能更精彩,支持會話、畫圖、視頻、閱讀、搜索等,送10W Token,即刻開啟你的AI之旅 廣告
                Shell case語句為多選擇語句;可以用case語句匹配一個值與一個模式,如果匹配成功,執行相匹配的命令。case語句格式如下: ``` case var in match1) command.. ;; match2) command.. ;; *) command.. ;; esac ``` 比如我們判斷變量var的顏色例子,如下: ![](https://img.kancloud.cn/63/15/6315fcdb356e0257d66fa5ffcbbb66c0_488x602.png =400x) ### 如果var不在green,blue,red中,那么會進入到\*)中,表示其他的都沒有被成功匹配到;in后面的列表中可以是數值也可以是字符串列表,該腳本的運行結果如下: ![](https://img.kancloud.cn/b7/0a/b70a8c402c7963b72930b53b429bad49_832x176.png =600x)
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