CLI for R Packages

When to Use What

task: Display error with context and formatting use: cli_abort() with inline markup and bullet lists

task: Show warning with formatting use: cli_warn() with inline markup

task: Display informative message use: cli_inform() with inline markup

task: Show progress for counted operations use: cli_progress_bar() with total count

task: Show simple progress steps use: cli_progress_step() with status messages