How-to¶

Recipes for a specific job, assuming you already have a CLI and want to add one thing to it. If you are starting from nothing, do the tutorial first; if you want the exact behaviour of a function, that is Reference.

• Add a --output text|json flag — one row type, two renderings, no formatting in the command.
• Show progress without corrupting CI logs — when to reach for Spinner and what it does when nobody is watching.
• Map wizard errors to exit codes — turning cancel, interrupt and failure into the right process exit.
• Test a wizard without a terminal — scripted steps, and why the suite runs headless.