nushell/docs/commands/each.md

each

Run a block on each row of the table.

Usage

> each <block> <subcommand> {flags} 

Subcommands

• each group - Runs a block on groups of group_size rows of a table at a time.
• each window - Runs a block on sliding windows of window_size rows of a table at a time.

Parameters

• <block> the block to run on each row

Flags

• -h, --help: Display this help message
• -n, --numbered: returned a numbered item ($it.index and $it.item)

Examples

Echo the sum of each row

> echo [[1 2] [3 4]] | each { echo $it | math sum }

Echo the square of each integer

> echo [1 2 3] | each { echo ($it * $it) }

Number each item and echo a message

> echo ['bob' 'fred'] | each --numbered { echo $"($it.index) is ($it.item)" }

Name the block variable that each uses

> [1, 2, 3] | each {|x| $x + 100}