walk()遍历目录，应用样式表。

walk() walks through a directory, applying the style sheet.

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通过遍历目录树中你可以找到哪些进程正在运行。

By walking the directory tree you can find which processes are running.

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这是一款通过输入路径就可以遍历目录或文件的软件。

This is a path through the importation can traverse the file or directory software.

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除非设置了该位，否则无法遍历目录(进入目录并列举目录)。

A directory cannot be traversed (entered and cataloged) unless this bit is set.

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遍历当前工作目录下的所有文件。

Loop over files in the current working directory.

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如果是目录，并且不是“。”，则递归地遍历该目录。

If it is and it is not '. ', it traverses recursively into the directory.

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如果是目录，并且不是“。”，则递归地遍历该目录。

If it is and it is not '. ', it traverses recursively into the directory.

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