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nushell/docs/commands/select.md
Andrés N. Robalino 96e5fc05a3
Pick->Select rename. Integration tests changes. (#1725) 
Pick->Select rename. Integration tests changes.
2020-05-07 06:03:43 -05:00

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select

This command displays only the column names passed on to it.

Examples

> ls
━━━┯━━━━━━━━━━━━━━━━━━━━━━━━━━━━┯━━━━━━┯━━━━━━━━━━┯━━━━━━━━┯━━━━━━━━━━━━━┯━━━━━━━━━━━━━┯━━━━━━━━━━━━━
 # │ name                       │ type │ readonly │ size   │ created     │ accessed    │ modified
───┼────────────────────────────┼──────┼──────────┼────────┼─────────────┼─────────────┼─────────────
 0 │ zeusiscrazy.txt            │ File │          │ 556 B  │ a month ago │ a month ago │ a month ago
 1 │ coww.txt                   │ File │          │  24 B  │ a month ago │ a month ago │ a month ago
 2 │ randomweirdstuff.txt       │ File │          │ 197 B  │ a month ago │ a month ago │ a month ago
 3 │ abaracadabra.txt           │ File │          │ 401 B  │ a month ago │ a month ago │ a month ago
 4 │ youshouldeatmorecereal.txt │ File │          │ 768 B  │ a month ago │ a month ago │ a month ago
━━━┷━━━━━━━━━━━━━━━━━━━━━━━━━━━━┷━━━━━━┷━━━━━━━━━━┷━━━━━━━━┷━━━━━━━━━━━━━┷━━━━━━━━━━━━━┷━━━━━━━━━━━━━
> ls | select name
━━━┯━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 # │ name
───┼────────────────────────────
 0 │ zeusiscrazy.txt
 1 │ coww.txt
 2 │ randomweirdstuff.txt
 3 │ abaracadabra.txt
 4 │ youshouldeatmorecereal.txt
━━━┷━━━━━━━━━━━━━━━━━━━━━━━━━━━━

The order in which you put the column names matters:

> ls | select type name size
━━━┯━━━━━━┯━━━━━━━━━━━━━━━━━━━━━━━━━━━━┯━━━━━━━━
 # │ type │ name                       │ size
───┼──────┼────────────────────────────┼────────
 0 │ File │ zeusiscrazy.txt            │ 556 B
 1 │ File │ coww.txt                   │  24 B
 2 │ File │ randomweirdstuff.txt       │ 197 B
 3 │ File │ abaracadabra.txt           │ 401 B
 4 │ File │ youshouldeatmorecereal.txt │ 768 B
━━━┷━━━━━━┷━━━━━━━━━━━━━━━━━━━━━━━━━━━━┷━━━━━━━━
> ls | select size type name
━━━┯━━━━━━━━┯━━━━━━┯━━━━━━━━━━━━━━━━━━━━━━━━━━━━
 # │ size   │ type │ name
───┼────────┼──────┼────────────────────────────
 0 │ 556 B  │ File │ zeusiscrazy.txt
 1 │  24 B  │ File │ coww.txt
 2 │ 197 B  │ File │ randomweirdstuff.txt
 3 │ 401 B  │ File │ abaracadabra.txt
 4 │ 768 B  │ File │ youshouldeatmorecereal.txt
━━━┷━━━━━━━━┷━━━━━━┷━━━━━━━━━━━━━━━━━━━━━━━━━━━━