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34 lines
704 B
Markdown
34 lines
704 B
Markdown
---
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title: update
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layout: command
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version: 0.59.0
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---
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Update an existing column to have a new value.
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## Signature
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```> update (field) (replacement value)```
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## Parameters
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- `field`: the name of the column to update
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- `replacement value`: the new value to give the cell(s)
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## Examples
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Update a column value
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```shell
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> echo {'name': 'nu', 'stars': 5} | update name 'Nushell'
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```
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Use in block form for more involved updating logic
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```shell
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> echo [[count fruit]; [1 'apple']] | update count {|f| $f.count + 1}
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```
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Use in block form for more involved updating logic
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```shell
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> echo [[project, authors]; ['nu', ['Andrés', 'JT', 'Yehuda']]] | update authors { get authors | str collect ',' }
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```
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