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Users of the Spring Shell project can easily build a full featured shell ( aka command line) application by depending on the Spring Shell jars and adding their own commands (which come as methods on spring beans). Creating a command line application can be useful e.g. to interact with your project’s REST API, or to work with local file content.
Spring Shell’s features include
A simple, annotation driven, programming model to contribute custom commands
Use of Spring Boot auto-configuration functionality as the basis for a command plugin strategy
Tab completion, colorization, and script execution
Customization of command prompt, shell history file name, handling of results and errors
Dynamic enablement of commands based on domain specific criteria
Integration with the bean validation API
Already built-in commands, such as clear screen, gorgeous help, exit
ASCII art Tables, with formatting, alignment, fancy borders, etc.