> What is the "Best Practice" for parsing the commandline (GNU sytle) with
> Java 1.4 in a commercial project ?
[quoted text clipped - 3 lines]
> Re-invent wheel?
> Other?
Not sure there is a "best practice" but another choice to add to your
list is the Java version of GNU's getopt:
http://www.urbanophile.com/arenn/hacking/download.html
This is a good choice if you are porting a C app to Java that used getopt.

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Dale King