nushell/docs/commands/uniq.rs

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# uniq
Returns unique rows or values from a dataset.
## Examples
Given a file `test.csv`
```
first_name,last_name,rusty_at,type
Andrés,Robalino,10/11/2013,A
Andrés,Robalino,10/11/2013,A
Jonathan,Turner,10/12/2013,B
Yehuda,Katz,10/11/2013,A
```
```
> `open test.csv | uniq`
# first_name last_name rusty_at type
0 Andrés Robalino 10/11/2013 A
1 Jonathan Turner 10/12/2013 B
2 Yehuda Katz 10/11/2013 A
```
```
> `open test.csv | get type | uniq`
# <value>
0 A
1 B
```