math sum
For math.
Returns the sum of a list of numbers or of each column in a table.
Command Type
built-in
Signature
> math sum {flags} ...rest
Parameters
...rest: The cell-paths/columns to operate on.
Input/output types:
| input | output |
|---|---|
| list<number> | number |
| list<duration> | duration |
| list<filesize> | filesize |
| range | number |
| table | record |
| record | record |
Examples
Sum a list of numbers.
> [1 2 3] | math sum
6Get the disk usage for the current directory.
> ls | get size | math sum
Compute the sum of each column in a table.
> [[a b]; [1 2] [3 4]] | math sum
╭───┬───╮
│ a │ 4 │
│ b │ 6 │
╰───┴───╯Sum the values of list-valued columns in a record.
> {alice: [1 2 3], bob: [4 5 6]} | math sum
╭───────┬────╮
│ alice │ 6 │
│ bob │ 15 │
╰───────┴────╯Sum a single column using a cell path.
> {alice: [1 2 3], bob: [4 5 6]} | math sum alice
╭───────┬───────────╮
│ alice │ 6 │
│ │ ╭───┬───╮ │
│ bob │ │ 0 │ 4 │ │
│ │ │ 1 │ 5 │ │
│ │ │ 2 │ 6 │ │
│ │ ╰───┴───╯ │
╰───────┴───────────╯Ported from nushell/nushell.github.io. Copyright (c) 2021 Nushell Project. MIT License.