wp
The official command-line interface to manage WordPress instances.
TLDR
Print information about the operating system, shell, PHP, and WP-CLI (wp) installation
$ wp --info
Update WP-CLI
$ wp cli update
Download a fresh WordPress installation to current directory, optionally specifying the locale
$ wp core download --locale=[locale]
Create basic wpconfig file (assuming database on localhost)
$ wp config create --dbname=[dbname] --dbuser=[dbuser] --dbpass=[dbpass]
Install and activate a WordPress plugin
$ wp plugin install [plugin] --activate
Replace all instances of a string in the database
$ wp search-replace [old_string] [new_string]
Import the contents of a WordPress Extended RSS (WXR) file
$ wp import [path/to/file.xml]