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Old 02-28-2005, 02:11 PM   #1
Registered: Feb 2005
Location: Santa Monica, CA, USA
Distribution: Ubuntu 5.04
Posts: 35

Rep: Reputation: 15
how to edit a *.jar file?

Note: Mandrake 10.1, KDE

My question, I think, is how to open and modify a *.jar file.
I've encountered the known bug in mozilla that prevents exporting the address book. But where my newbness appears is in actually applying the patch . I've tried to use the editors (GEdit, Kate, KEdit) to modify the file, but it will not save because of the character coding (in some cases I can't even open the file: messenger.jar). Emacs might be the answer, but I'm a little lost in editing the file using it.
Your help is appreciated!
Old 02-28-2005, 02:25 PM   #2
Registered: Feb 2005
Distribution: Slack
Posts: 122

Rep: Reputation: 19
i think you are confused. jar is jave file.
Old 02-28-2005, 02:29 PM   #3
LQ Guru
Registered: Jul 2003
Location: VA
Distribution: Slack 10.1
Posts: 2,194

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messenger.jar is a zip file. Unzip it, edit the file (addressbook.js), then zip it up again.
Old 02-28-2005, 02:47 PM   #4
Registered: Aug 2003
Location: Omaha, NE, USA
Distribution: PCLinuxOS 2007
Posts: 808

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A .jar file is a java archive file. Which just means it is a *ZIP* file, with possibly a few special files included, e.g., manifest.txt.

Unizp it, make changes, and re-zip it, keeping the ".jar" filename.
Old 02-28-2005, 02:58 PM   #5
Registered: Feb 2005
Location: Santa Monica, CA, USA
Distribution: Ubuntu 5.04
Posts: 35

Original Poster
Rep: Reputation: 15
Opened it with File Roller, edited the file, then added it back in.
Thanks for the timely help, once again.


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