jdk/src/solaris/doc/sun/man/man1/pack200.1
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    22 .TH pack200 1 "10 May 2011"
    22 .\" questions.
    23 
    23 .\"
    24 .LP
    24 .\"     Arch: generic
    25 .SH "Name"
    25 .\"     Software: JDK 8
    26 pack200 \- JAR Packing tool
    26 .\"     Date: 21 November 2013
    27 .LP
    27 .\"     SectDesc: Java Deployment Tools
    28 .SH "SYNOPSIS"
    28 .\"     Title: pack200.1
    29 .LP
    29 .\"
    30 .LP
    30 .if n .pl 99999
    31 \f4pack200\fP\f2 [ \fP\f2options\fP ] \f2output\-file\fP \f2JAR\-file\fP
    31 .TH pack200 1 "21 November 2013" "JDK 8" "Java Deployment Tools"
    32 .LP
    32 .\" -----------------------------------------------------------------
    33 .LP
    33 .\" * Define some portability stuff
    34 Options may be in any order. The last option on the command line or in a properties file supersedes all previously specified options.
    34 .\" -----------------------------------------------------------------
    35 .LP
    35 .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    36 .RS 3
    36 .\" http://bugs.debian.org/507673
    37 .TP 3
    37 .\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
    38 options 
    38 .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    39 Command\-line options. 
    39 .ie \n(.g .ds Aq \(aq
    40 .TP 3
    40 .el       .ds Aq '
    41 output\-file 
    41 .\" -----------------------------------------------------------------
    42 Name of the output file. 
    42 .\" * set default formatting
    43 .TP 3
    43 .\" -----------------------------------------------------------------
    44 JAR\-file 
    44 .\" disable hyphenation
    45 Name of the input file. 
    45 .nh
       
    46 .\" disable justification (adjust text to left margin only)
       
    47 .ad l
       
    48 .\" -----------------------------------------------------------------
       
    49 .\" * MAIN CONTENT STARTS HERE *
       
    50 .\" -----------------------------------------------------------------
       
    51 
       
    52 .SH NAME    
       
    53 pack200 \- Packages a JAR file into a compressed pack200 file for web deployment\&.
       
    54 .SH SYNOPSIS    
       
    55 .sp     
       
    56 .nf     
       
    57 
       
    58 \fBpack200\fR [\fIoptions\fR] \fIoutput\-file\fR \fIJAR\-file\fR
       
    59 .fi     
       
    60 .sp     
       
    61 Options can be in any order\&. The last option on the command line or in a properties file supersedes all previously specified options\&.
       
    62 .TP     
       
    63 \fIoptions\fR
       
    64 The command-line options\&. See Options\&.
       
    65 .TP     
       
    66 \fIoutput-file\fR
       
    67 Name of the output file\&.
       
    68 .TP     
       
    69 \fIJAR-file\fR
       
    70 Name of the input file\&.
       
    71 .SH DESCRIPTION    
       
    72 The \f3pack200\fR command is a Java application that transforms a JAR file into a compressed pack200 file with the Java gzip compressor\&. The pack200 files are highly compressed files that can be directly deployed to save bandwidth and reduce download time\&.
       
    73 .PP
       
    74 The \f3pack200\fR command has several options to fine-tune and set the compression engine\&. The typical usage is shown in the following example, where \f3myarchive\&.pack\&.gz\fR is produced with the default \f3pack200\fR command settings:
       
    75 .sp     
       
    76 .nf     
       
    77 \f3pack200 myarchive\&.pack\&.gz myarchive\&.jar\fP
       
    78 .fi     
       
    79 .nf     
       
    80 \f3\fP
       
    81 .fi     
       
    82 .sp     
       
    83 .SH OPTIONS    
       
    84 .TP
       
    85 -r, --repack
       
    86 .br
       
    87 Produces a JAR file by packing and unpacking a JAR file\&. The resulting file can be used as an input to the \f3jarsigner\fR(1) tool\&. The following example packs and unpacks the myarchive\&.jar file:
       
    88 .sp     
       
    89 .nf     
       
    90 \f3pack200 \-\-repack myarchive\-packer\&.jar myarchive\&.jar\fP
       
    91 .fi     
       
    92 .nf     
       
    93 \f3pack200 \-\-repack myarchive\&.jar\fP
       
    94 .fi     
       
    95 .nf     
       
    96 \f3\fP
       
    97 .fi     
       
    98 .sp     
       
    99 
       
   100 
       
   101 The following example preserves the order of files in the input file\&.
       
   102 .TP
       
   103 -g, --no-gzip
       
   104 .br
       
   105 Produces a \f3pack200\fR file\&. With this option, a suitable compressor must be used, and the target system must use a corresponding decompresser\&.
       
   106 .sp     
       
   107 .nf     
       
   108 \f3pack200 \-\-no\-gzip myarchive\&.pack myarchive\&.jar\fP
       
   109 .fi     
       
   110 .nf     
       
   111 \f3\fP
       
   112 .fi     
       
   113 .sp     
       
   114 
       
   115 .TP
       
   116 -G, --strip-debug
       
   117 .br
       
   118 Strips debugging attributes from the output\&. These include \f3SourceFile\fR, \f3LineNumberTable\fR, \f3LocalVariableTable\fR and \f3LocalVariableTypeTable\fR\&. Removing these attributes reduces the size of both downloads and installations, but reduces the usefulness of debuggers\&.
       
   119 .TP
       
   120 --keep-file-order
       
   121 .br
       
   122 Preserve the order of files in the input file\&. This is the default behavior\&.
       
   123 .TP
       
   124 -O, --no-keep-file-order
       
   125 .br
       
   126 The packer reorders and transmits all elements\&. The packer can also remove JAR directory names to reduce the download size\&. However, certain JAR file optimizations, such as indexing, might not work correctly\&.
       
   127 .TP
       
   128 -S\fIvalue\fR , --segment-limit=\fIvalue\fR
       
   129 .br
       
   130 The value is the estimated target size \fIN\fR (in bytes) of each archive segment\&. If a single input file requires more than \fIN\fR bytes, then its own archive segment is provided\&. As a special case, a value of \f3-1\fR produces a single large segment with all input files, while a value of 0 produces one segment for each class\&. Larger archive segments result in less fragmentation and better compression, but processing them requires more memory\&.
       
   131 
       
   132 The size of each segment is estimated by counting the size of each input file to be transmitted in the segment with the size of its name and other transmitted properties\&.
       
   133 
       
   134 The default is -1, which means that the packer creates a single segment output file\&. In cases where extremely large output files are generated, users are strongly encouraged to use segmenting or break up the input file into smaller JARs\&.
       
   135 
       
   136 A 10 MB JAR packed without this limit typically packs about 10 percent smaller, but the packer might require a larger Java heap (about 10 times the segment limit)\&.
       
   137 .TP
       
   138 -E\fIvalue\fR , --effort=\fIvalue\fR
       
   139 .br
       
   140 If the value is set to a single decimal digit, then the packer uses the indicated amount of effort in compressing the archive\&. Level 1 might produce somewhat larger size and faster compression speed, while level 9 takes much longer, but can produce better compression\&. The special value 0 instructs the \f3pack200\fR command to copy through the original JAR file directly with no compression\&. The JSR 200 standard requires any unpacker to understand this special case as a pass-through of the entire archive\&.
       
   141 
       
   142 The default is 5, to invest a modest amount of time to produce reasonable compression\&.
       
   143 .TP
       
   144 -H\fIvalue\fR , --deflate-hint=\fIvalue\fR
       
   145 .br
       
   146 Overrides the default, which preserves the input information, but can cause the transmitted archive to be larger\&. The possible values are: \f3true\fR, \f3false\fR, or \f3keep\fR\&.
       
   147 
       
   148 If the \f3value\fR is \f3true\fR or false, then the \f3packer200\fR command sets the deflation hint accordingly in the output archive and does not transmit the individual deflation hints of archive elements\&.
       
   149 
       
   150 The \f3keep\fR value preserves deflation hints observed in the input JAR\&. This is the default\&.
       
   151 .TP
       
   152 -m\fIvalue\fR , --modification-time=\fIvalue\fR
       
   153 .br
       
   154 The possible values are \f3latest\fR and \f3keep\fR\&.
       
   155 
       
   156 If the value is latest, then the packer attempts to determine the latest modification time, among all the available entries in the original archive, or the latest modification time of all the available entries in that segment\&. This single value is transmitted as part of the segment and applied to all the entries in each segment\&. This can marginally decrease the transmitted size of the archive at the expense of setting all installed files to a single date\&.
       
   157 
       
   158 If the value is \f3keep\fR, then modification times observed in the input JAR are preserved\&. This is the default\&.
       
   159 .TP
       
   160 -P\fIfile\fR , --pass-file=\fIfile\fR
       
   161 .br
       
   162 Indicates that a file should be passed through bytewise with no compression\&. By repeating the option, multiple files can be specified\&. There is no pathname transformation, except that the system file separator is replaced by the JAR file separator forward slash (/)\&. The resulting file names must match exactly as strings with their occurrences in the JAR file\&. If \f3file\fR is a directory name, then all files under that directory are passed\&.
       
   163 .TP
       
   164 -U\fIaction\fR , --unknown-attribute=\fIaction\fR
       
   165 .br
       
   166 Overrides the default behavior, which means that the class file that contains the unknown attribute is passed through with the specified \f3action\fR\&. The possible values for actions are \f3error\fR, \f3strip\fR, or \f3pass\fR\&.
       
   167 
       
   168 If the value is \f3error\fR, then the entire \f3pack200\fR command operation fails with a suitable explanation\&.
       
   169 
       
   170 If the value is \f3strip\fR, then the attribute is dropped\&. Removing the required Java Virtual Machine (JVM) attributes can cause class loader failures\&.
       
   171 
       
   172 If the value is \f3pass\fR, then the entire class is transmitted as though it is a resource\&.
       
   173 .TP
       
   174 .nf
       
   175 -C\fIattribute-name\fR=\fIlayout\fR , --class-attribute=\fIattribute-name\fR=\fIaction\fR
       
   176 .br
       
   177 .fi
       
   178 See next option\&.
       
   179 .TP
       
   180 .nf
       
   181 -F\fIattribute-name\fR=\fIlayout\fR , --field-attribute=\fIattribute-name\fR=\fIaction\fR
       
   182 .br
       
   183 .fi
       
   184 See next option\&.
       
   185 .TP
       
   186 .nf
       
   187 -M\fIattribute-name\fR=\fIlayout\fR , --method-attribute=\fIattribute-name\fR=\fIaction\fR
       
   188 .br
       
   189 .fi
       
   190 See next option\&.
       
   191 .TP
       
   192 .nf
       
   193 -D\fIattribute-name\fR=\fIlayout\fR , --code-attribute=\fIattribute-name\fR=\fIaction\fR
       
   194 .br
       
   195 .fi
       
   196 With the previous four options, the attribute layout can be specified for a class entity, such as \f3class-attribute\fR, \f3field-attribute\fR, \f3method-attribute\fR, and \f3code-attribute\fR\&. The \fIattribute-name\fR is the name of the attribute for which the layout or action is being defined\&. The possible values for \fIaction\fR are \f3some-layout-string\fR, \f3error\fR, \f3strip\fR, \f3pass\fR\&.
       
   197 
       
   198 \f3some-layout-string\fR: The layout language is defined in the JSR 200 specification, for example: \f3--class-attribute=SourceFile=RUH\fR\&.
       
   199 
       
   200 If the value is \f3error\fR, then the \f3pack200\fR operation fails with an explanation\&.
       
   201 
       
   202 If the value is \f3strip\fR, then the attribute is removed from the output\&. Removing JVM-required attributes can cause class loader failures\&. For example, \f3--class-attribute=CompilationID=pass\fR causes the class file that contains this attribute to be passed through without further action by the packer\&.
       
   203 
       
   204 If the value is \f3pass\fR, then the entire class is transmitted as though it is a resource\&.
       
   205 .TP
       
   206 -f \fIpack\&.properties\fR , --config-file=\fIpack\&.properties\fR
       
   207 .br
       
   208 A configuration file, containing Java properties to initialize the packer, can be specified on the command line\&.
       
   209 .sp     
       
   210 .nf     
       
   211 \f3pack200 \-f pack\&.properties myarchive\&.pack\&.gz myarchive\&.jar\fP
       
   212 .fi     
       
   213 .nf     
       
   214 \f3more pack\&.properties\fP
       
   215 .fi     
       
   216 .nf     
       
   217 \f3# Generic properties for the packer\&.\fP
       
   218 .fi     
       
   219 .nf     
       
   220 \f3modification\&.time=latest\fP
       
   221 .fi     
       
   222 .nf     
       
   223 \f3deflate\&.hint=false\fP
       
   224 .fi     
       
   225 .nf     
       
   226 \f3keep\&.file\&.order=false\fP
       
   227 .fi     
       
   228 .nf     
       
   229 \f3# This option will cause the files bearing new attributes to\fP
       
   230 .fi     
       
   231 .nf     
       
   232 \f3# be reported as an error rather than passed uncompressed\&.\fP
       
   233 .fi     
       
   234 .nf     
       
   235 \f3unknown\&.attribute=error\fP
       
   236 .fi     
       
   237 .nf     
       
   238 \f3# Change the segment limit to be unlimited\&.\fP
       
   239 .fi     
       
   240 .nf     
       
   241 \f3segment\&.limit=\-1\fP
       
   242 .fi     
       
   243 .nf     
       
   244 \f3\fP
       
   245 .fi     
       
   246 .sp     
       
   247 
       
   248 .TP
       
   249 -v, --verbose
       
   250 .br
       
   251 Outputs minimal messages\&. Multiple specification of this option will create more verbose messages\&.
       
   252 .TP
       
   253 -q, --quiet
       
   254 .br
       
   255 Specifies quiet operation with no messages\&.
       
   256 .TP
       
   257 -l\fIfilename\fR , --log-file=\fIfilename\fR
       
   258 .br
       
   259 Specifies a log file to output messages\&.
       
   260 .TP
       
   261 -?, -h, --help
       
   262 .br
       
   263 Prints help information about this command\&.
       
   264 .TP
       
   265 -V, --version
       
   266 .br
       
   267 Prints version information about this command\&.
       
   268 .TP
       
   269 -J\fIoption\fR
       
   270 .br
       
   271 Passes the specified option to the Java Virtual Machine\&. For more information, see the reference page for the java(1) command\&. For example, \f3-J-Xms48m\fR sets the startup memory to 48 MB\&.
       
   272 .SH EXIT\ STATUS    
       
   273 The following exit values are returned: 0 for successful completion and a number greater than 0 when an error occurs\&.
       
   274 .SH NOTES    
       
   275 This command should not be confused with \f3pack\fR(1)\&. The \f3pack\fR and \f3pack200\fR commands are separate products\&.
       
   276 .PP
       
   277 The Java SE API Specification provided with the JDK is the superseding authority, when there are discrepancies\&.
       
   278 .SH SEE\ ALSO    
       
   279 .TP 0.2i    
       
   280 \(bu
       
   281 unpack200(1)
       
   282 .TP 0.2i    
       
   283 \(bu
       
   284 jar(1)
       
   285 .TP 0.2i    
       
   286 \(bu
       
   287 jarsigner(1)
    46 .RE
   288 .RE
    47 
   289 .br
    48 .LP
   290 'pl 8.5i
    49 .SH "DESCRIPTION"
   291 'bp
    50 .LP
       
    51 .LP
       
    52 The \f2pack200\fP tool is a Java application that transforms a JAR file into a compressed \f2pack200\fP file using the Java \f2gzip\fP compressor. The \f2pack200\fP files are highly compressed files that can be directly deployed, saving bandwidth and reducing download time.
       
    53 .LP
       
    54 .LP
       
    55 The \f2pack200\fP tool uses several options to fine\-tune and set the compression engine.
       
    56 .LP
       
    57 .SS 
       
    58 Typical usage:
       
    59 .LP
       
    60 .LP
       
    61 \f2% pack200 myarchive.pack.gz myarchive.jar\fP
       
    62 .LP
       
    63 .LP
       
    64 In this example, \f2myarchive.pack.gz\fP is produced using the default \f2pack200\fP settings.
       
    65 .LP
       
    66 .SH "OPTIONS"
       
    67 .LP
       
    68 .LP
       
    69 \f4\-r \-\-repack\fP
       
    70 .LP
       
    71 .LP
       
    72 Produces a JAR file by packing the file \f2myarchive.jar\fP and unpacking it. The resulting file can be used as an input to the \f2jarsigner(1)\fP tool.
       
    73 .LP
       
    74 .LP
       
    75 \f2% pack200 \-\-repack myarchive\-packer.jar myarchive.jar\fP
       
    76 .LP
       
    77 .LP
       
    78 \f2% pack200 \-\-repack myarchive.jar\fP
       
    79 .LP
       
    80 .LP
       
    81 \f4\-g \-\-no\-gzip\fP
       
    82 .LP
       
    83 .LP
       
    84 Produces a \f2pack200\fP file. With this option a suitable compressor must be used, and the target system must use a corresponding decompresser.
       
    85 .LP
       
    86 .LP
       
    87 \f2% pack200 \-\-no\-gzip myarchive.pack myarchive.jar\fP
       
    88 .LP
       
    89 .LP
       
    90 \f4\-G \-\-strip\-debug\fP
       
    91 .LP
       
    92 .LP
       
    93 Strips attributes used for debugging from the output. These include \f2SourceFile\fP, \f2LineNumberTable\fP, \f2LocalVariableTable\fP and \f2LocalVariableTypeTable\fP. Removing these attributes reduces the size of both downloads and installations but reduces the usefulness of debuggers.
       
    94 .LP
       
    95 .LP
       
    96 \f4\-\-keep\-file\-order\fP
       
    97 .LP
       
    98 .LP
       
    99 Preserve the order of files in the input file; this is the default behavior.
       
   100 .LP
       
   101 .LP
       
   102 \f4\-O \-\-no\-keep\-file\-order\fP
       
   103 .LP
       
   104 .LP
       
   105 The packer will reorder and transmit all elements. Additionally, the packer may remove JAR directory names. This will reduce the download size; however, certain JAR file optimizations, such as indexing, may not work correctly.
       
   106 .LP
       
   107 .LP
       
   108 \f4\-Svalue \-\-segment\-limit=\fP\f2value\fP
       
   109 .LP
       
   110 .LP
       
   111 The value is the estimated target size N (in bytes) of each archive segment. If a single input file requires
       
   112 .br
       
   113 more than N bytes, it will be given its own archive segment. As a special case, a value of \f2\-1\fP will produce a single large segment with all input files, while a value of \f20\fP will produce one segment for each class. Larger archive segments result in less fragmentation and better compression, but processing them requires more memory.
       
   114 .LP
       
   115 .LP
       
   116 The size of each segment is estimated by counting the size of each input file to be transmitted in the segment, along with the size of its name and other transmitted properties.
       
   117 .LP
       
   118 .LP
       
   119 The default is \-1, which means the packer will always create a single segment output file. In cases where extremely large output files are generated, users are strongly encouraged to use segmenting or break up the input file into smaller JARs.
       
   120 .LP
       
   121 .LP
       
   122 A 10MB JAR packed without this limit will typically pack about 10% smaller, but the packer may require a larger Java heap (about ten times the segment limit).
       
   123 .LP
       
   124 .LP
       
   125 \f4\-Evalue \-\-effort=\fP\f2value\fP
       
   126 .LP
       
   127 .LP
       
   128 If the value is set to a single decimal digit, the packer will use the indicated amount of effort in compressing the archive. Level \f21\fP may produce somewhat larger size and faster compression speed, while level \f29\fP will take much longer but may produce better compression. The special value \f20\fP instructs the packer to copy through the original JAR file directly with no compression. The JSR 200 standard requires any unpacker to understand this special case as a pass\-through of the entire archive.
       
   129 .LP
       
   130 .LP
       
   131 The default is \f25\fP, investing a modest amount of time to produce reasonable compression.
       
   132 .LP
       
   133 .LP
       
   134 \f4\-Hvalue \-\-deflate\-hint=\fP\f2value\fP
       
   135 .LP
       
   136 .LP
       
   137 Overrides the default, which preserves the input information, but may cause the transmitted archive to be larger. The possible values are:
       
   138 .LP
       
   139 .RS 3
       
   140 .TP 3
       
   141 true 
       
   142 .TP 3
       
   143 false 
       
   144 In either case, the packer will set the deflation hint accordingly in the output archive, and will not transmit the individual deflation hints of archive elements. 
       
   145 .RE
       
   146 
       
   147 .LP
       
   148 .RS 3
       
   149 .TP 3
       
   150 keep 
       
   151 Preserve deflation hints observed in the input JAR. (This is the default.) 
       
   152 .RE
       
   153 
       
   154 .LP
       
   155 .LP
       
   156 \f4\-mvalue \-\-modification\-time=\fP\f2value\fP
       
   157 .LP
       
   158 .LP
       
   159 The possible values are:
       
   160 .LP
       
   161 .RS 3
       
   162 .TP 3
       
   163 latest 
       
   164 The packer will attempt to determine the latest modification time, among all the available entries in the original archive, or the latest modification time of all the available entries in that segment. This single value will be transmitted as part of the segment and applied to all the entries in each segment. This can marginally decrease the transmitted size of the archive at the expense of setting all installed files to a single date. 
       
   165 .TP 3
       
   166 keep 
       
   167 Preserves modification times observed in the input JAR. (This is the default.) 
       
   168 .RE
       
   169 
       
   170 .LP
       
   171 .LP
       
   172 \f4\-Pfile \-\-pass\-file=\fP\f2file\fP
       
   173 .LP
       
   174 .LP
       
   175 Indicates that a file should be passed through bytewise with no compression. By repeating the option, multiple files may be specified. There is no pathname transformation, except that the system file separator is replaced by the JAR file separator "\f2/\fP". The resulting file names must match exactly as strings with their occurrences in the JAR file. If file is a directory name, all files under that directory will be passed.
       
   176 .LP
       
   177 .LP
       
   178 \f4\-Uaction \-\-unknown\-attribute=\fP\f2action\fP
       
   179 .LP
       
   180 .LP
       
   181 Overrides the default behavior; i.e., the classfile containing the unknown attribute will be passed through with the specified action. The possible values for actions are:
       
   182 .LP
       
   183 .RS 3
       
   184 .TP 3
       
   185 error 
       
   186 The \f2pack200\fP operation as a whole will fail with a suitable explanation. 
       
   187 .TP 3
       
   188 strip 
       
   189 The attribute will be dropped. Note: Removing the required VM attributes may cause Class Loader failures. 
       
   190 .TP 3
       
   191 pass 
       
   192 Upon encountering this attribute, the entire class will be transmitted as though it is a resource. 
       
   193 .RE
       
   194 
       
   195 .LP
       
   196 .LP
       
   197 \f4\-Cattribute\-name=\fP\f2layout\fP \f3\-\-class\-attribute=\fP\f2attribute\-name=action\fP
       
   198 .br
       
   199 \f4\-Fattribute\-name=\fP\f2layout\fP \f3\-\-field\-attribute=\fP\f2attribute\-name=action\fP
       
   200 .br
       
   201 \f4\-Mattribute\-name=\fP\f2layout\fP \f3\-\-method\-attribute=\fP\f2attribute\-name=action\fP
       
   202 .br
       
   203 \f4\-Dattribute\-name=\fP\f2layout\fP \f3\-\-code\-attribute=\fP\f2attribute\-name=action\fP
       
   204 .LP
       
   205 .LP
       
   206 With the above four options, the attribute layout can be specified for a class entity, such as Class attribute, Field attribute, Method attribute, and Code attribute. The attribute\-name is the name of the attribute for which the layout or action is being defined. The possible values for action are:
       
   207 .LP
       
   208 .RS 3
       
   209 .TP 3
       
   210 some\-layout\-string 
       
   211 The layout language is defined in the JSR 200 specification. 
       
   212 .LP
       
   213 Example: \f2\-\-class\-attribute=SourceFile=RUH\fP  
       
   214 .TP 3
       
   215 error 
       
   216 Upon encountering this attribute, the pack200 operation will fail with a suitable explanation. 
       
   217 .TP 3
       
   218 strip 
       
   219 Upon encountering this attribute, the attribute will be removed from the output. Note: removing VM\-required attributes may cause Class Loader failures. 
       
   220 .RE
       
   221 
       
   222 .LP
       
   223 .LP
       
   224 Example: \f2\-\-class\-attribute=CompilationID=pass\fP will cause the class file containing this attribute to be passed through without further action by the packer.
       
   225 .LP
       
   226 .LP
       
   227 \f4\-f\fP\f2 \fP\f2pack.properties\fP \f3\-\-config\-file=\fP\f2pack.properties\fP
       
   228 .LP
       
   229 .LP
       
   230 A configuration file, containing Java properties to initialize the packer, may be specified on the command line.
       
   231 .LP
       
   232 .LP
       
   233 \f2% pack200 \-f pack.properties myarchive.pack.gz myarchive.jar\fP
       
   234 .br
       
   235 \f2% more pack.properties\fP
       
   236 .br
       
   237 \f2# Generic properties for the packer.\fP
       
   238 .br
       
   239 \f2modification.time=latest\fP
       
   240 .br
       
   241 \f2deflate.hint=false\fP
       
   242 .br
       
   243 \f2keep.file.order=false\fP
       
   244 .br
       
   245 \f2# This option will cause the files bearing new attributes to\fP
       
   246 .br
       
   247 \f2# be reported as an error rather than passed uncompressed.\fP
       
   248 .br
       
   249 \f2unknown.attribute=error\fP
       
   250 .br
       
   251 \f2# Change the segment limit to be unlimited.\fP
       
   252 .br
       
   253 \f2segment.limit=\-1\fP
       
   254 .LP
       
   255 .LP
       
   256 \f4\-v \-\-verbose\fP
       
   257 .LP
       
   258 .LP
       
   259 Outputs minimal messages. Multiple specification of this option will output more verbose messages.
       
   260 .LP
       
   261 .LP
       
   262 \f4\-q \-\-quiet\fP
       
   263 .LP
       
   264 .LP
       
   265 Specifies quiet operation with no messages.
       
   266 .LP
       
   267 .LP
       
   268 \f4\-lfilename \-\-log\-file=\fP\f2filename\fP
       
   269 .LP
       
   270 .LP
       
   271 Specifies a log file to output messages.
       
   272 .LP
       
   273 .LP
       
   274 \f4\-? \-h \-\-help\fP
       
   275 .LP
       
   276 .LP
       
   277 Prints help information about this command.
       
   278 .LP
       
   279 .LP
       
   280 \f4\-V \-\-version\fP
       
   281 .LP
       
   282 .LP
       
   283 Prints version information about this command.
       
   284 .LP
       
   285 .LP
       
   286 \f4\-J\fP\f2option\fP
       
   287 .LP
       
   288 .LP
       
   289 Passes \f2option\fP to the Java launcher called by \f2pack200\fP. For example, \f2\-J\-Xms48m\fP sets the startup memory to 48 megabytes. Although it does not begin with \f2\-X\fP, it is not a standard option of \f2pack200\fP. It is a common convention for \f2\-J\fP to pass options to the underlying VM executing applications written in Java.
       
   290 .LP
       
   291 .SH "EXIT STATUS"
       
   292 .LP
       
   293 .LP
       
   294 The following exit values are returned:
       
   295 .LP
       
   296 .LP
       
   297 \f2\ 0\fP for successful completion;
       
   298 .LP
       
   299 .LP
       
   300 \f2>0\fP if an error occurs.
       
   301 .LP
       
   302 .SH "SEE ALSO"
       
   303 .LP
       
   304 .RS 3
       
   305 .TP 2
       
   306 o
       
   307 unpack200(1) 
       
   308 .TP 2
       
   309 o
       
   310 .na
       
   311 \f2Java SE Documentation\fP @
       
   312 .fi
       
   313 http://download.oracle.com/javase/7/docs/index.html 
       
   314 .TP 2
       
   315 o
       
   316 .na
       
   317 \f2Java Deployment Guide \- Pack200\fP @
       
   318 .fi
       
   319 http://download.oracle.com/javase/7/docs/technotes/guides/deployment/deployment\-guide/pack200.html 
       
   320 .TP 2
       
   321 o
       
   322 jar(1) \- Java Archive Tool 
       
   323 .TP 2
       
   324 o
       
   325 jarsigner(1) \- JAR Signer tool 
       
   326 .TP 2
       
   327 o
       
   328 \f2attributes(5)\fP man page 
       
   329 .RE
       
   330 
       
   331 .LP
       
   332 .SH "NOTES"
       
   333 .LP
       
   334 .LP
       
   335 This command should not be confused with \f2pack(1)\fP. They are distinctly separate products.
       
   336 .LP
       
   337 .LP
       
   338 The Java SE API Specification provided with the JDK is the superseding authority, in case of discrepancies.
       
   339 .LP
       
   340