Shell Programming and Scripting

mPrevCmpy="First"
sort input_file | while read mCmpy mDate mStatus
do
  if [ "${mCmpy}" != "${mPrevCmpy}" ]; then
    if [ "${mPrevCmpy}" != "First" ]; then
      echo ${mLine}
    fi
    mLatest=""
  fi
  mDD=`echo ${mDate} | cut -c1-2`
  mMM=`echo ${mDate} | cut -c4-5`
  mYY=`echo ${mDate} | cut -c7-8`
  mYYMMDD=${mYY}${mMM}${mDD}
  if [ "${mYYMMDD}" > "${mLatest}" ]; then
    mLine=${mCmpy}' '${mDate}' '${mStatus}
    mLatest=${mYYMMDD}
  fi
  mPrevCmpy=${mCmpy}
done
if [ "${mPrevCmpy}" != "First" ]; then
  echo ${mLine}
fi