unpack200 - JAR Unpacking tool
SYNOPSIS
unpack200 [options ]input-fileJAR-file
Options may be in any order. The last option on the command line supersedes all previously specified options.
input-file- Name of the input file, which can be a pack200 gzip file or a pack200 file. The input could also be JAR file produced by pack200(1) with an effort of 0. In this case the contents of the input file will be copied to the output JAR file with the Pack200 marker.
JAR-file- Name of the output JAR file.
DESCRIPTION
unpack200 is a native implementation that transforms a packed file produced bypack200(1) into a JAR file. Typical usage:
% unpack200 myarchive.pack.gz myarchive.jar
In this example, themyarchive.jar is produced frommyarchive.pack.gz using the defaultunpack200 settings.
OPTIONS
-Hvalue --deflate-hint=value
Sets the deflation to betrue,false, orkeep on all entries within a JAR file. The default mode iskeep. Iftrue orfalse, overrides the default behavior and sets the deflation mode on all entries within the output JAR file.
-r --remove-pack-file
Removes the input packed file.
-v --verbose
Outputs minimal messages. Multiple specification of this option will output more verbose messages.
-q --quiet
Specifies quiet operation with no messages.
-lfilename --log-file=filename
Specifies a log file to output messages.
-? -h --help
Prints help information about this command.
-V --version
Prints version information about this command.
-Joption
Passesoption to the Java launcher called byunpack200.
EXIT STATUS
The following exit values are returned:
0 if successful completion;
>0 if an error occurred.
SEE ALSO
- pack200 - JAR Packing Tool
- Java SE Documentation
- Java Deployment Guide - Pack200
jar- Java Archive Tooljarsigner- JAR Signer toolattributes(5)man page
NOTES
This command should not be confused withunpack(1). They are distinctly separate products.
The Java SE API Specification provided with the JDK is the superseding authority, in case of discrepancies.