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Invoke fp-appimage-updater with an optional set of global flags followed by a subcommand:

Global flags

These flags apply to every command and must be placed before the subcommand.
-c, --config <PATH>
string
Override the default configuration directory. Use this to point to a custom config location instead of ~/.config/fp-appimage-updater/.
--json
boolean
Emit machine-readable JSON output instead of human-readable tables and status lines. Works with init, validate, doctor, list, check, update, and remove.
-h, --help
boolean
Print help information and exit.
-V, --version
boolean
Print the current version and exit.

Command Groups

Setup & Diagnostics

These commands help you get started and ensure your local environment is correctly configured.

App Management

The core commands for keeping your AppImages up to date and managing their installation state.

System Utilities

Commands for maintaining the updater itself and improving your terminal experience.
Pass --json before any of the following commands to get structured JSON output: init, validate, doctor, list, check, update, remove.

Examples

Last modified on April 18, 2026