unpack200(1)unpack200(1)NAMEunpack200 - JAR Unpacking tool
SYNOPSISunpack200 [ OPTIONS ] input-file JAR-file
PARAMETERS
The options may be in any order. The last option on the command line
supersedes all previously specified options. For a discussion of the
options, see OPTIONS below.
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
The unpack200 tool 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 deflation mode on
all entries within the output JAR file.
Non-Standard Options
-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.
EXIT STATUS
The following exit values are returned:
0 Successful completion.
>0 An error occurred.
SEE ALSOpack200(1), jar(1), jarsigner(1), attributes(5)
For API specification and other related information:
http://java.sun.com/j2se/5.0/docs
http://java.sun.com/j2se/5.0/docs/guide/deployment/deployment-
guide/pack200.html
NOTES:
This command should not be confused with unpack(1). They are distinctly
separate products.
The J2SE API Specification provided with the JDK release is the super‐
seding
authority, in case of discrepancies.
14 July 2004 unpack200(1)
