In this example, grep filters the lines, outputting all files with Dec in their modification dates as well as in their names.

在此示例中，grep对行进行筛选，并输出其修改日期和名称中带Dec的所有文件。

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The FileTable stores the name and type of the file, the path, language, and creation and modification dates in addition to other status information.

FileTable会存储文件的名称和类型、路径、语言、创建和修改的时间以及其他状态信息。

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The make utility checks the modification dates of files—header files, source code, data files, and object files—and builds the C source files that are appropriate.

make 实用工具检查文件（头文件、源代码、数据文件和目标文件）的修改日期，并编译合适的 C 源文件。

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