The jjs Command-Line Tool - Scripting in Java: Integrating with Groovy and JavaScript - page 287

Chapter 10

The jjs Command-Line Tool

In this chapter, you will learn:

jjs command-line tool is

• What the

jjs command-line tool • How to invoke the

jjs command-line tool • How to pass arguments to the

jjs command-line tool in interactive and • How to use the

scripting mode

To work with the Nashorn script engine, JDK 8 includes a new command-line tool
called jjs . If you wonder what jjs stands for, it stands for Java J ava S cript. The command
is located in the JDK_HOME\bin directory. The command can be used to run scripts in
files or scripts entered on the command-line in interactive mode. It can also be used to
execute shell scripts.

The Syntax
The syntax to invoke the command is:

jjs [options] [script-files] [-- arguments]

Here:

[options] are options for the jjs command. Multiple options are
separated by a space

•

[script-files] is the list of script files to be interpreted by the
Nashorn engine

•

[-- arguments] is the list of arguments to be passed to the scripts
or the interactive shell as arguments. Arguments are specified
after double hyphens and they can be accessed using the
arguments property inside the script

•