nushell/docs/commands/update.md

title	layout	version
update	command	0.59.1

Update an existing column to have a new value.

Signature

> update (field) (replacement value)

Parameters

• field: the name of the column to update
• replacement value: the new value to give the cell(s)

Examples

Update a column value

> echo {'name': 'nu', 'stars': 5} | update name 'Nushell'

Use in block form for more involved updating logic

> echo [[count fruit]; [1 'apple']] | update count {|f| $f.count + 1}

Use in block form for more involved updating logic

> echo [[project, authors]; ['nu', ['Andrés', 'JT', 'Yehuda']]] | update authors { get authors | str collect ',' }