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                ??碼云GVP開源項目 12k star Uniapp+ElementUI 功能強大 支持多語言、二開方便! 廣告
                [TOC] ## 參數的典型用法 先來看看參數傳遞的典型用法: ``` ./test.sh -a -b -c : 短選項,各選項不需參數 ./test.sh -abc : 短選項,和上一種方法的效果一樣,只是將所有的選項寫在一起。 ./test.sh -a args -b -c :短選項,其中-a需要參數,而-b -c不需參數。 ./test.sh --a-long=args --b-long :長選項 ``` ## getopts - 不支持長選項 ## 實例 <details> <summary>test.sh</summary> ``` #!/bin/bash while getopts "a:bc" arg #選項后面的冒號表示該選項需要參數 do case $arg in a) echo "a's arg:$OPTARG" #參數存在$OPTARG中 ;; b) echo "b" ;; c) echo "c" ;; ?) #當有不認識的選項的時候arg為? echo "unkonw argument" exit 1 ;; esac done ``` </details> <br/> ``` > ./test.sh -a arg1 -b -c // or ./test.sh -a arg1 -bc a's arg:arg 1 b c ```
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