Using Linux programing language: uestion1 In this case, you will use functions,

Question

Using Linux programing language:

uestion1 In this case, you will use functions, looping structures, arrays, decision statements, calcu- lations, and other commands necessary to complete the following tasks: 1. Use an array to hold a student record with a name and three grades, for example: "Maude Tedders":100:88:90 2. Use the necessary commands to cut the fields into the name and grades fields 3. Use another array to contain the three grades. For example: Grade[ 1]-necessary statements to get the first grade Grade[ 2]-necessary statements to get the second grade Grade [3]=necessary statements to get the third grade 4. Take a numeric average of the three grades. 5. Convert the numeric average to a letter grade using this scale: A is 90 to 100 B is 80 to 89 C is 70 to 79 D is 65 to 69 F is 0 to 64 6. For each student record, display the student name, numeric average, and letter grade. 7. You must implement at least one function within the script. Create a file that contains at least five student records. Make them up. Provide the program output to demonstrate that your script works

Explanation / Answer

#!/bin/bash

inp = $1

while IFS=: read -d “:” -r f1 f2 f3 f4

do

sum=$((f3 + f2 + f4));

name=$f1;

if((sum <= 0))

then

continue;

fi

X=$((sum / 3));

if ((90<=X && X<=100))

then

Y=“A”

elif ((80<=X && X<=89))

then

Y=“B”

elif ((70<=X && X<=79))

then

Y=“C”

elif ((65<=X && X<=69))

then

Y=“D”

else

Y=“F”

fi

echo "$name has got marks $X with grade $Y";

done < "$1"

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