nushell/docs/commands/for.md

title	layout	version
for	command	0.59.0

Loop over a range

Signature

> for (var_name) (range) (block) --numbered

Parameters

• var_name: name of the looping variable
• range: range of the loop
• block: the block to run
• --numbered: returned a numbered item ($it.index and $it.item)

Examples

Echo the square of each integer

> for x in [1 2 3] { $x * $x }

Work with elements of a range

> for $x in 1..3 { $x }

Number each item and echo a message

> for $it in ['bob' 'fred'] --numbered { $"($it.index) is ($it.item)" }