unpack200(1)                         General Commands Manual                         unpack200(1)



Name
       unpack200 - JAR Unpacking tool

SYNOPSIS
       unpack200 [ options ] input-file JAR-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 by pack200(1)
       into a JAR file. Typical usage:

       % unpack200 myarchive.pack.gz myarchive.jar

       In this example, the myarchive.jar is produced from myarchive.pack.gz  using  the  default
       unpack200 settings.

OPTIONS
       -Hvalue --deflate-hint=value

       Sets  the  deflation  to  be  true,  false,  or keep on all entries within a JAR file. The
       default mode is keep. If true or false, overrides the default behavior and sets the defla‐
       tion 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

       Passes option to the Java launcher called by unpack200.

EXIT STATUS
       The following exit values are returned:

        0 if successful completion;

       >0 if an error occurred.

SEE ALSO
          o pack200(1)

          o Java SE Documentation @
            http://docs.oracle.com/javase/7/docs/index.html

          o Java Deployment Guide - Pack200 @
            http://docs.oracle.com/javase/7/docs/technotes/guides/deployment/deploy‐
            ment-guide/pack200.html

          o jar(1) - Java Archive Tool

          o jarsigner(1) - JAR Signer tool

          o attributes(5) man page


NOTES
       This command should not be confused with unpack(1). They are distinctly separate products.

       The Java SE API Specification provided with the JDK is the superseding authority, in case
       of discrepancies.

                                           16 Mar 2012                               unpack200(1)