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nushell/docs/commands/keep_while.md
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title layout version
keep while command 0.59.0

Keep elements of the input while a predicate is true.

Signature

> keep while (predicate)

Parameters

  • predicate: the predicate that kept element must not match

Examples

Keep while the element is negative

> echo [-1 -2 9 1] | keep while $it < 0