#example-commandline Simple examples of executing Gosu Programs directly from the command line, independent of any IDE or build tools

Prerequisite

Java 1.8 installed. A valid JAVA_HOME environment variable to this JRE is recommended.

Setup

1. Download and extract the latest Gosu release from here.
2. Point an environment variable called GOSU_HOME to the extracted folder.
3. Add $GOSU_HOME/bin or %GOSU_HOME%\bin to your PATH

Examples

Inline

Evaluate a Gosu expression entirely from the command line:

• gosu -e 'print(\"Hello world!\")'

Simple script

Run a simple Gosu Program with no dependencies or arguments:

• gosu simple/HelloWorld.gsp

Simple script with args

Run a simple Gosu Program with arguments:

• gosu simple/HelloWorldWithArgs.gsp HELO 42 Acceptable!

Script referencing classes

Run a Gosu Program which imports other Gosu classes:

• gosu imports/RunFoo.gsp

Script with external dependencies

Run a simple Gosu Program with a classpath argument:

• gosu -classpath "lib/commons-math-2.2.jar" externalDeps/Exponents.gsp