how to set output in github actions

This guide explains how to set output variables in GitHub Actions using the set-output action. It covers setting a single output variable, multiple output variables in a single action, and accessing output variables set by other jobs.

How do I set output variables in GitHub Actions?

You can set output variables in GitHub Actions using the set-output action. This action allows you to set a single output variable at a time. The syntax for the set-output action is as follows:

<code class="yaml">- set-output:
    name: name-of-output-variable
    value: value-of-output-variable</code>

For example, the following action will set an output variable called my-output-variable with the value my-output-value:

<code class="yaml">- set-output:
    name: my-output-variable
    value: my-output-value</code>

Can I set multiple output variables in a single GitHub Action?

Yes, you can set multiple output variables in a single GitHub Action by using multiple set-output actions. For example, the following action will set two output variables: my-output-variable1 with the value my-output-value1 and my-output-variable2 with the value my-output-value2:

<code class="yaml">- set-output:
    name: my-output-variable1
    value: my-output-value1
- set-output:
    name: my-output-variable2
    value: my-output-value2</code>

How do I access output variables set by other jobs in GitHub Actions?

You can access output variables set by other jobs in GitHub Actions by using the jobs.<job_name>.outputs.<output_variable_name> syntax. For example, the following action will access the my-output-variable output variable set by the my-job job:

<code class="yaml">- echo: ${{ jobs.my-job.outputs.my-output-variable }}</code>

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