#!/bin/sh
Flag=$1
FName=$2
LName=$3
Course=$4
mid=$5
lab=$6
final=$7
#$IFS=":"
x=0
while  read aFname aLname acourse amid alab afinal #-a line
do
  #echo    AAAA    $aFname $aLname $acourse # $line    ${line[1]}
#  aFname=${line[0]}
#  aLname=${line[1]}
#  acourse=${line[2]}
#  amid=${line[3]}
#  alab=${line[4]}
#  afinal=${line[5]}
#  echo $line
  #echo $Name " -->" $aname $acourse $amid
  if [ $Flag == "-G" ]
    then
      if [ $FName == $aFname -a $LName == $aLname ]
         then
          R=`expr $amid + $alab + $afinal`
          Y=`expr $R / 3`
          echo $Y
	     fi
    
     
   elif [ $Flag == "-R" ]
    then
      if [ $FName == $acourse ]
         then
          #R=`expr $amid + $alab + $afinal`
          #Y=`expr $R / 3`
          echo $aFname $aLname
	     fi
    
     
   elif [ $Flag == "-C" ]
    then
    		
      if [ $FName == $acourse ]
         then
          x=`expr $x + 1`
          fi
        
     fi
done < Ras.data
if [ $Flag == "-C" ]
then
	echo $x
  fi