title: how to rename all the gdg base and all the versions at a time?
body: <p>I have a GDG base with 1000+ version in it. I want to change  name all the files.
  The existing file is DMXWCCA.R00.WI82XXX
  I need a JCL program which has to rename the existing file as C02565.R00.WI82XXX.</p>
  
  <p>Thanks in advance.</p>