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How can remove duplicates in a file using UNIX?

Answers were Sorted based on User's Feedback



How can remove duplicates in a file using UNIX?..

Answer / j madhava rao

$sort -u filename will sorts the data and removes the duplicates lines from the output

Is This Answer Correct ?    17 Yes 1 No

How can remove duplicates in a file using UNIX?..

Answer / vishwababu

You can use UNIQ to remove duplicates frm a file but it can
consider only same consecutive records.
Ex: if u hve records as
1 vishwa
1 Shruti
2 Ravi
3 Naveen
1 vishwa
and if u use UNIQ cmd, then you wil get vishwa, Ravi, Naveen
and vishwa.
So perform sort before using UNIQ so tat to avoid duplicates

Is This Answer Correct ?    7 Yes 7 No

How can remove duplicates in a file using UNIX?..

Answer / prasad

Uniq -u File_name

It will remove duplicates records.

Is This Answer Correct ?    0 Yes 2 No

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