| 语 | |||
| 语法 | |||
blank (  ) |
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| dcmd 和 Walker 名称解析 ( ) |
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| dot ( ) |
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| expression ( ) |
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| identifier ( ) |
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| pipeline ( ) |
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| Shell 转义 ( ) |
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| simple-command ( ) |
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| word ( ) |
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| 变量 ( ) |
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| 符号名称解析 ( ) |
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| 格式设置 dcmd ( ) |
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| 管道 ( ) |
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| 加引号 ( ) |
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| 命令 ( ) |
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| 算术展开 ( ) |
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| 元字符 ( ) |
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| 注释 ( ) |
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