title: read value from registry via batch file
body: <p>in my batch file I need to check the version of the oracle that install on the machine.
  I want to read the oracl_home that the machine contains.
  I have a path in registry like:
  KEY_LOCAL_MACHINE\SOFTWARE\zdf\oracle
  and I want to read the attributs name under oracle.
  how can I do it????
  thanks!</p>