forked from extern/nushell
1.1 KiB
1.1 KiB
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
━━━┷━━━━━━━━━