Question

3. Write a script that generates two random numbers between -5 and 25, calculates their average, and if the average is greater than 10 then prints “High Average” else prints “Low Average”. You can use $RANDOM to generate the random numbers.

4. Write a script using the for-loop construct that counts the number of directories looping through the files in the directory name provided by the user on a prompt by the script.

Answer 1

Answer 3
*************

#!/bin/bash
for (( i=1;i<=5;i++ ))
do
number=`seq -5 25 | sort -R | head -n 1`
array+=("$number")
echo $number
done

avg()
{
for n in ${array[@]}
do
(( total += n ))
done
echo "Total is: "$total
avg=`echo "$total / 5" | bc -l`
echo "Average is: "$avg
}
avg

Answer 4
***********

#!/bin/bash
OLD_IFS="$IFS"
IFS=$'\n'

echo "Enter Directory name: "
read fn

for dir in $(find $fn -maxdepth 1 -type d | sort);
do
  
files=("$dir"/*)
printf "%5d,%s\n" "${#files[@]}" "$dir"
done
FS="$OLD_IFS"

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