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Top Forums UNIX for Beginners Questions & Answers Getting the version from jar file Post 303006036 by nextStep on Thursday 26th of October 2017 08:34:35 AM
Old 10-26-2017
Getting the version from jar file

Hi,

I am trying to retrieve the "Implementation version" from one of the .jar file
The command which tried is as below.

Code:
find /usr/local/platform  -name "platform.jar" -exec zipgrep "Implementation-Version:" '{}' \;|awk -F ': ' '{print $2}'

I am able to get the version as below

Code:
2.9.0-29

But the problem is the above command is not terminating naturally. I have to forcefully exit the command to return to the shell terminal.
On extracting the .jar file there is a MANIFEST file and "Implementation-Version" is written inside the MANIFEST file.Please help in getting the Implementation version from the jar file.




Moderator's Comments:
Mod Comment Please use CODE tags correctly as required by forum rules! Tagging your entire text is NOT the way to go!


---------- Post updated at 07:34 AM ---------- Previous update was at 07:24 AM ----------

I will abide this rule.It was mistakenly put.

Last edited by RudiC; 10-26-2017 at 09:30 AM.. Reason: Corrected CODE tags.
 

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GJAR(1) 								GNU								   GJAR(1)

NAME
gjar - - Archive tool for Java archives SYNOPSIS
gjar -ctxui [OPTIONS] jar-file [-C DIR FILE] FILE... DESCRIPTION
gjar is an implementation of Sun's jar utility that comes with the JDK. If any file is a directory then it is processed recursively. The manifest file name and the archive file name needs to be specified in the same order the -m and -f flags are specified. OPTIONS
Operation mode: -c Create new archive. -t List table of contents for archive. -x Extract named (or all) files from archive. -u Update existing archive. -i FILE Compute archive index. Operation modifiers: -f FILE Specify archive file name. -0 Store only; use no ZIP compression. -v Generate verbose output on standard output. -M Do not create a manifest file for the entries. -m manifest Include manifest information from specified manifest file. File name selection: -C DIR FILE Change to the DIR and include the following FILE. -@ Read the names of the files to add to the archive from stdin. This option is supported only in combination with -c or -u. Non standard option added in the GCC version. Standard options: -help Print help text, then exit. -version Print version number, then exit. -JOPTION Pass argument to the Java runtime. BUGS
SEE ALSO
java(1), ... AUTHOR
0.98 2010-07-05 GJAR(1)
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