PROGRAM TO DETERMINE THE GIVEN NUMBER IS ARMSTRONG OR NOT

echo "Enter the no"

read n

i=0

k=$n

while test $n -ne 0

do

u=`expr $n % 10`

i=`expr $i + $u \* $u \* $u`

n=`expr $n \/ 10`

done

if test $k -eq $i

then

echo "$k is a armstrong number"

else

echo "$k is not armstrong number"

fi

~

~

"arm" 16L, 225C                                               15,1          All

Output:

"arm" 16L, 225C written

[eceb33@linuxserver eceb33]$ sh arm

Enter the no

153

153 is a armstrong number