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nushell/docs/commands/where.md
Jonathan Turner 911b69dff0 Update some command docs
2019-12-02 11:02:58 -08:00

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where

This command filters the content of a table based on a condition passed as a parameter, which must be a boolean expression making use of any of the table columns. Other commands such as ls are capable of feeding where with their output through pipelines.

Usage

> [input-command] | where [condition]

Examples

> ls | where size > 4kb
━━━┯━━━━━━━━━━━━┯━━━━━━┯━━━━━━━━━┯━━━━━━━━━━━━━┯━━━━━━━━━━━━━┯━━━━━━━━━━━━━
 # │ name       │ type │ size    │ created     │ accessed    │ modified 
───┼────────────┼──────┼─────────┼─────────────┼─────────────┼─────────────
 0 │ Cargo.lock │ File │ 87.2 KB │ 7 hours ago │ 7 hours ago │ 7 hours ago 
 1 │ README.md  │ File │ 19.5 KB │ 7 hours ago │ 7 hours ago │ 7 hours ago 
 2 │ Cargo.toml │ File │  4.7 KB │ 7 hours ago │ 7 hours ago │ 7 hours ago 
━━━┷━━━━━━━━━━━━┷━━━━━━┷━━━━━━━━━┷━━━━━━━━━━━━━┷━━━━━━━━━━━━━┷━━━━━━━━━━━━━

> ps | where cpu > 0
━━━┯━━━━━━━┯━━━━━━━━━━━━━━━━━━━━━━━┯━━━━━━━━━━┯━━━━━━━━━━━━━━━━━━━
 # │ pid   │ name                  │ status   │ cpu 
───┼───────┼───────────────────────┼──────────┼───────────────────
 0 │  1546 │ Xorg                  │ Sleeping │ 10.65405000000000 
 1 │  1769 │ gnome-shell           │ Sleeping │ 5.271094000000000 
 2 │  2153 │ gnome-terminal-server │ Sleeping │ 5.193664000000000 
 3 │ 13556 │ nu_plugin_ps          │ Sleeping │ 40.70250000000000 
━━━┷━━━━━━━┷━━━━━━━━━━━━━━━━━━━━━━━┷━━━━━━━━━━┷━━━━━━━━━━━━━━━━━━━