Shell Script to display name of the files whose size is within the range B1 and B2 bytes. B1 and B2 bytes are supplied as command line arguments

if [ $# -eq 2 ]
then
    B1 = $1
    B2 = $2
echo -e "\t\tSize\tFile_name"
echo -e "\t\t=======\t==========="
ls -l > temp
tr -s " " < temp > temp2
count=0
while read line
do
    if [ $count -ne 0 ]
    then
        size = `echo $line | cut -d " " -f 5`
        fname = `echo $line | cut -d " " -f 9`
        if [ $size -le $B2 -a $size -ge $B1 ]
        then
            echo -e "\t\t$size\t$fname"
        fi
    fi
    count=1
done < temp2