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format

Tools for working with the output of commands in Cog pipelines.

Commands

  • format:head - filter the output to only include the first N responses
  • format:fields - show the keys included in a command response
  • format:list - build a list of the values for a given key from each response object
  • format:table - format command response as a table. see-also: operable:table
  • format:tail - filter the output to only include the last N responses

Permissions

  • None. All commands are set to allow by default.

Examples

All of the examples below will use the following seed as input. This seed command is shortened to seed ... in the examples for the sake of brevity.

seed '[{ "name": "geddy", "role": "lead singer/bass guitar" },{ "name": "neil", "role": "drummer/lyricist" }, { "name": "alex", "role": "lead guitar" }]'

format:head

> seed ... | format:head 1

{
  "name": "geddy",
  "role": "lead singer/bass guitar"
}

format:fields

> seed ... | format:head 1 | format:fields

name role

format:list

> seed '[{ "name": "geddy", "role": [ "bass guitar", "lead singer" ] },{ "name": "neil", "role": [ "drummer", "lyricist" ]}, { "name": "alex", "role": [ "lead guitar" ] }]' | format:list name

alex, geddy, neil

format:table

> seed ... | format:table name role

+-------+-------------------------+
| name  |          role           |
+-------+-------------------------+
| geddy | lead singer/bass guitar |
| neil  | drummer/lyricist        |
| alex  | lead guitar             |
+-------+-------------------------+

format:head

> seed ... | format:tail 1

{
  "name": "alex",
  "role": "lead guitar"
}

License

Apache 2