Hacking, in the good sense of the word

   Many people want a customized programs to handle a specific task.  With wgrib2,
you should try modifying the program by adding your own option.  This will
allow you to easily upgrade to future versions.  (Just add your module to the wgrib2
directory.)

 Ex.  instead of modifying -text option, add -my_text option
      copy f_text() as f_my_text() and modify the latter