cli

# 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 task: Format code or function names use: `{.code ...}` or `{.fn package::function}` task: Format file paths use: `{.file path/to/file}` task: Format package names use: `{.pkg packagename}` task: Format variable names use: `{.var variable_name}` task: Format values use: `{.val value}` task: Handle singular/plural text use: `{?s}` or `{?y/ies}` with pluralization task: Create headers use: `cli_h1()`, `cli_h2()`, `cli_h3()` task: Create alerts use: `cli_alert_success()`, `cli_alert_danger()`, `cli_alert_warning()`, `cli_alert_info()` task: Create lists use: `cli_ul()`, `cli_ol()`, `cli_dl()` with `cli_li()` ## Inline Markup Essentials Use inline markup with `{.class content}` syntax to format text: ```r # Basic formatting cli_text("Function {.fn mean} calculates averages") cli_text("Install package {.pkg dplyr}") cli_text("See file {.file ~/.Rprofile}") cli_text("{.var x} must be numeric, not {.obj_type_of {x}}") cli_text("Got value {.val {x}}") # Code formatting cli_text("Use {.code sum(x, na.rm = TRUE)}") # Pa...