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Title: jjs
Language: English
Date: 03 March 2015
SectDesc: Basic Tools
Software: JDK 8
Arch: generic
Part Number: E38207-04
Doc ID: JSSON
* Define some portability stuff
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http://bugs.debian.org/507673
http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
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* set default formatting
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disable hyphenation
disable justification (adjust text to left margin only)
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* MAIN CONTENT STARTS HERE *
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.\}
jjs [options] [script-files] [-- arguments]
options
One or more options of the jjs command, separated by spaces. For more information, see Options.
script-files
One or more script files which you want to interpret using Nashorn, separated by spaces. If no files are specified, an interactive shell is started.
arguments
All values after the double hyphen marker (--) are passed through to the script or the interactive shell as arguments. These values can be accessed by using the arguments property (see Example 3).
The jjs command-line tool is used to invoke the Nashorn engine. You can use it to interpret one or several script files, or to run an interactive shell.
The options of the jjs command control the conditions under which scripts are interpreted by Nashorn.
-cp path
-classpath path
Specifies the path to the supporting class files To set multiple paths, the option can be repeated, or you can separate each path with a colon (:).
-Dname=value
Sets a system property to be passed to the script by assigning a value to a property name. The following example shows how to invoke Nashorn in interactive mode and assign myValue to the property named myKey:
.\}
>> jjs -DmyKey=myValue jjs> java.lang.System.getProperty("myKey") myValue jjs>
-doe
--dump-on-error
Provides a full stack trace when an error occurs. By default, only a brief error message is printed.
-fv
--fullversion
Prints the full Nashorn version string.
-fx
Launches the script as a JavaFX application.
-h
-help
Prints the list of options and their descriptions.
--language=[es5]
Specifies the ECMAScript language version. The default version is ES5.
-ot
--optimistic-types=[true|false]
Enables or disables optimistic type assumptions with deoptimizing recompilation. Running with optimistic types will yield higher final speed, but may increase warmup time.
-scripting
Enables shell scripting features.
-strict
Enables strict mode, which enforces stronger adherence to the standard (ECMAScript Edition 5.1), making it easier to detect common coding errors.
-t=zone
-timezone=zone
Sets the specified time zone for script execution. It overrides the time zone set in the OS and used by the Date object.
-v
-version
Prints the Nashorn version string.
Example 1 Running a Script with Nashorn
.\}
jjs script.js
Example 2 Running Nashorn in Interactive Mode
.\}
>> jjs jjs> println("Hello, World!") Hello, World! jjs> quit() >>
Example 3 Passing Arguments to Nashorn
.\}
>> jjs -- a b c jjs> arguments.join(", ") a, b, c jjs>
jrunscript
'pl 8.5i 'bp