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Shell script to check Armstrong number

Shell script to check Armstrong number

#!/bin/bash
echo -n "Enter the nuber : "
read read_val
number=$read_val
buf1=0
buf2=0
sum=0
while [ $number -gt 0 ]
do
    buf1=`expr $number % 10`
    buf2=`expr $buf1 * $buf1 * $buf1`
    sum=`expr $sum + $buf2`
    number=`expr $number / 10`
   
done
if [ $sum -eq $read_val ]
then
    echo "$read_val is armstrong number"
else
    echo "$read_val not a armstrong number"
fi

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Posted by Unknown at 11:45 PM

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