math sum for math

Returns the sum of a list of numbers or of each column in a table.

Signature

> math sum {flags} ...rest

Parameters

  • ...rest: The cell-paths/columns to operate on.

Input/output types:

inputoutput
list<number>number
list<duration>duration
list<filesize>filesize
rangenumber
tablerecord
recordrecord

Examples

Sum a list of numbers.

> [1 2 3] | math sum
6

Get 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 │ │
│       │ ╰───┴───╯ │
╰───────┴───────────╯