Please assist. The script should be written in bash/shell scripting. Thank you.

1. Modify the addi command to loop until the user enters quit and to allow users to specify what function they want to apply to the pair of numbers given so that the following session would work.

cat addi

# Add pair of integers on standard input

while read n1 n2

do

echo $(( $n1 + $n2 ))

done

$ ./addi

100 200

300

100 - 50

50

5 * 5

25

5/5

error: not enough arguments given

quit

$