How to find the particular text stored in the file “data.txt” and it occurs only once

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暗喜
暗喜 2021-01-11 17:37

The line I seek is stored in the file data.txt and is the only line of text that occurs only once.

How do I go about finding that particular line using linux?

8条回答
  •  鱼传尺愫
    2021-01-11 18:33

    sort data.txt | uniq -c | grep 1

    you will find only one that accures one time

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