Command Output

A run alternative that stores command output in a variable.

Inputs

run

Required The command to run.

shell

The shell used to run command.

Outputs

stdout

The output of the command written to stdout.

stderr

The output of the command written to stderr.

Example usage

Store today's date in variable

steps:
- name: Get today's date
  uses: mathiasvr/[email protected]
  id: today
  with:
    run: date +'%Y-%m-%d'

- run: echo Today is ${{ steps.today.outputs.stdout }}

Use stdout and stderr output as condition

steps:
- name: Read file if it exists?
  uses: mathiasvr/[email protected]
  continue-on-error: true
  id: cmd
  with:
    run: cat unknown.txt

- run: echo Command succeeded
  if: ${{ steps.cmd.outputs.stdout }}

- run: echo Command failed
  if: ${{ steps.cmd.outputs.stderr }}