cd submissionAll/
#ls -l

#removing previous version of Absentee list.
rm -f absenteeList.txt
rm -f tempAbsenteeList.txt
rm -f marks.txt

rm -f Output/
rm -f Temp/

mkdir Output/
mkdir Output/Extra
mkdir Temp/



#Getting all the rolls from the CSV files in absentee.txt

sort -t',' ../CSE_322.csv | grep -o "[0-9]\{7\}"



#getting all the file names in submissionAll/ folder. In this process, we can get the file name even if they has whitespace in them.

############## This part will work like a loop ###############

find . -name "*.zip" |while read fname; do
  studentNameFromZipFile=`echo $(cut -d'_' -f1 <<< $fname | cut -d'/' -f2)`


#${variable%pattern} is like $variable, minus shortest matching pattern from the back-end;
#${variable##pattern} is like $variable, minus the longest matching pattern from front-end.

  delim="assignsubmission_file_"
  fileNameFromZip=${fname##*$delim}

  fileNameFromZip=${fileNameFromZip%.*}
  temRollNoFromZip=`$fileNameFromZip | grep -o "[0-9]\{7\}"`

  if [[ $temRollNoFromZip =~ ^.*[0-9]{7}.*$ ]]; then
        grep -vwE "$temRollNoFromZip" tempAbsenteeList.txt > absenteeList.txt

        cat absenteeList.txt > tempAbsenteeList.txt
  fi

done

#code absenteeList.txt

find . -name "*.zip" |while read fname; do
  studentNameFromZipFile=`echo $(cut -d'_' -f1 <<< $fname | cut -d'/' -f2)`

  echo $fname

  delim="assignsubmission_file_"
  fileNameFromZip=${fname##*$delim}

  fileNameFromZip=${fileNameFromZip%.*}

  unzip -o "$fname" -d Temp/
  cd Temp/

  noOfSubDirectory=`ls | wc -l`

  if [ $noOfSubDirectory == 1 ]; then
       finalFolderName=`ls`
       if [[ $finalFolderName =~ ^[0-9]{7}$ ]]; then
            echo "$finalFolderName --->  10" >> marks.txt
            mv "$finalFolderName" Output/

       elif [[ $finalFolderName =~ ^.*[0-9]{7}.*$ ]]; then
            tem=$finalFolderName

            #finalFolderName=`echo $(cut -d'_' -f1 <<< $finalFolderName)`

            finalFolderName=`echo "$finalFolderName" | grep -o "[0-9]\{7\}"`

            mv -T "$tem" "$finalFolderName"

            echo "$finalFolderName --->  5" >> marks.txt
            mv "$finalFolderName" Output/

       else

            rollFromZip=`echo "$fileNameFromZip" | grep -o "[0-9]\{7\}"`

            if [[ $rollFromZip =~ "" ]]; then

                rollFromCSVFile=`cat CSE_322.csv | grep -iF "$studentNameFromZipFile" | grep -o "[0-9]\{7\}"`

                numberOfInstance=`cat CSE_322.csv | grep -ciF "Das"`

                if [ $numberOfInstance == 1 ]; then

                    echo "$rollFromCSVFile --->  0" >> marks.txt
                    mv -T "$finalFolderName" "$rollFromCSVFile"
                    mv "$rollFromCSVFile" Output/


                    grep -vwE "$rollFromCSVFile" tempAbsenteeList.txt > absenteeList.txt
                    cat absenteeList.txt > tempAbsenteeList.txt

                elif [ $numberOfInstance == 2 ]; then

                    firstRoll=`echo -e "$rollFromCSVFile" | cut -d$'\n' -f1`

                    secondRoll=`echo -e "$rollFromCSVFile" | cut -d$'\n' -f2`

                    isStd1InAbsenteeListOrNot=`cat absenteeList.txt | grep -c "$firstRoll"`

                    isStd2InAbsenteeListOrNot=`cat absenteeList.txt | grep -c "$secondRoll"`



                else

                fi





            else
                echo "$rollFromZip --->  0" >> marks.txt
                mv -T "$finalFolderName" "$rollFromZip"
                mv "$rollFromZip" Output/
            fi

       fi


  else

  fi

  cd ..

done