Describe the source() command in BeanShell?

The source() command, or the equivalent Interpreter method, loads and executes a BeanShell script from a file on disk or the classpath, running its contents in the current namespace.

It's the natural choice for running a larger, reusable script that already exists as a saved .bsh file, as opposed to eval(), which is meant for a script string constructed or provided directly in code.

Because a sourced script runs in the calling context's namespace by default, variables and methods it defines become available afterward in that same context, which is how BeanShell scripts commonly load shared utility functions from a separate file at the start of a larger script.

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