Chapter 14: Circle CI UI Logging and Debugging

1. The API Endpoint was POST https://circleci.com/api/v1.1/project/:vcs-type/:username/:project/follow?circle-token=:token.
2. Yes the cat utility can be used to create new files you can do the following:

cat > somefile
# input
input
Press Control D

3. You would use the vertical Pipe operator (|) to create a multi-line command like this for example:

- run:
    name: Run Tests and Run Code Coverage with NYC
    command: |
        echo "Generate Code Coverage"
        npm test
        echo "Show the coverage"
        npm run coverage
# or simply
- run: |
    echo "Generate Code Coverage"
    npm test
    echo "Show the coverage"
    npm run coverage

4. Yes if you run the set -x option in a script and are setting secrets they may leak into standard output so instead store secrets or keys in project or context settings...