Shell Script to print the content of a text file from it's ith number line to jth line number. The file name, ith number line and jth number line are supplied as command line arguments

if [ $# -ne 3 ]
then
    echo -e "\tERROR: Invalid number of arguments"
else
    fname=$1
    if [ -f $fname ]
    then
        if [ -s $fname ]
        then
            count=0
            len=`wc -l < $fname`
            i=$2
            j=$3
            if [ $i -lt 1 -o $j -gt $len ]
            then
                echo -e "\tERROR: Invalid limits provided"
            else
           
                while read line
                do
                    count=`expr $count + 1`
                    if [ $count -ge $i -a $count -le $j ]
                    then
                        echo -e "Line $count: $line"
                    fi
                done < $fname
            fi
        else
            echo -e "\tERROR: $fname is a Empty File"
        fi
    else
        echo -e "\tERROR: $fname is not a Regular File"
    fi
   
fi