The sort command can also merge already sorted files and check whether a file is sorted or not.

sort 命令还可以合并已经排序的文件，并检查某个文件是否已经排序。

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The uniq command normally operates on sorted files, and removes consecutive identical lines from any file, whether sorted or not.

uniq 命令通常操作已排序的文件，并从文件（不管是否排序）中删除连续的相同行。

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This historical data can be sorted and exported as a comma-separated value (CSV) file, which enables the data to be imported into spreadsheets and other applications.

这些历史数据可以排序，导出为逗号分隔值(CSV)文件，这样可以让数据导入电子表格和其他应用程序中。

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If you're purging papers, clear those piles from your desk and the floor by placing newly sorted files in a cabinet or an upright vertical file.

CNN: Decluttering before the New Year