for for core

Signature

> for {flags} (var_name) (range) (block)

Flags

• --numbered, -n: return a numbered item ($it.index and $it.item)

Parameters

• var_name: name of the looping variable
• range: range of the loop
• block: the block to run

Input/output types:

Examples

Echo the square of each integer

>forxin [123] { print ($x*$x) }

Work with elements of a range

>for$xin1..3 { print$x }

Number each item and echo a message

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

Notes

This command is a parser keyword. For details, check: https://www.nushell.sh/book/thinking_in_nu.html