Write a Linux shell script to check whether the entered number is Armstrong number or not using the command line argument, Unix program for Armstrong number

Write a Linux shell script to check whether the entered number is Armstrong number or not using the command line argument, Unix program for Armstrong number


Program
clear
no=$1
n=$1


while[ $n-gt 0]
do


a='expr $n%10'
a3='expr$a\*$a\*$a'
temp='expr$temp+ $a3'
n='expr$temp+$a3'
done


if[$temp-eq$no]
then
  echo"It is Armstrong number"
else
  echo"It is Armstrong number"
fi




Output:


>sh Armstrong.sh 159
It is Armstrong number
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