Script to list all Installed Oracle Products

PAGER=more
if [ ! -d "${ORACLE_HOME}" ]; then
   print "ERROR: Oracle home not set."
   exit -1
fi
print "Oracle Installed Products for ORACLE_HOME ${ORACLE_HOME}:"
if [ -f "${ORACLE_HOME}/orainst/inspdver" ]; then
   cd ${ORACLE_HOME}/orainst
   ./inspdver | ${PAGER}
else
   cat  ${ORACLE_HOME}/install/unix.rgs | ${PAGER}
fi