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Write script to print given numbers sum of all digit,
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TOPIC: Write script to print given numbers sum of all digit,

Write script to print given numbers sum of all digit, 9 months, 2 weeks ago #689

  • rajeshkumar
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Write script to print given numbers sum of all digit, For eg. If no is 123 it's sum of all digit will be 1+2+3 = 6.



 
 
#!/bin/bash
#
#
# Algo:
# 1) Input number n
# 2) Set sum=0, sd=0
# 3) Find single digit in sd as n % 10 it will give (left most digit)
# 4) Construct sum no as sum=sum+sd
# 5) Decrment n by 1
# 6) Is n is greater than zero, if yes goto step 3, otherwise next step
# 7) Print sum
#
if [ $# -ne 1 ]
then
echo "Usage: $0 number"
echo " I will find sum of all digit for given number"
echo " For eg. $0 123, I will print 6 as sum of all digit (1+2+3)"
exit 1
fi
 
n=$1
sum=0
sd=0
while [ $n -gt 0 ]
do
sd=`expr $n % 10`
sum=`expr $sum + $sd`
n=`expr $n / 10`
done
echo "Sum of digit for numner is $sum"
 
 
#
# ./ch.sh: vivek-tech.com to nixcraft.com referance converted using this tool
# See the tool at http://www.nixcraft.com/uniqlinuxfeatures/tools/
#
 
Regards,
Rajesh Kumar
Build and Release Engineer
My Blog: community.scmgalaxy.com/pg/profile/rajeshkumar
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