sum of all digits in a given number using Shell Script
By: Dorris in Linux Tutorials on 2011-01-29
This shell script prints the given number's sum of all digits, For eg. If no is 123 it's sum of all digit will be 1+2+3 = 6.#!/bin/bash # # Linux Shell Scripting Tutorial 1.05r3, Summer-2002 # # Written by Vivek G. Gite <[email protected]> # # Latest version can be found at http://www.nixcraft.com/ # # 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"
Add Comment
This policy contains information about your privacy. By posting, you are declaring that you understand this policy:
- Your name, rating, website address, town, country, state and comment will be publicly displayed if entered.
- Aside from the data entered into these form fields, other stored data about your comment will include:
- Your IP address (not displayed)
- The time/date of your submission (displayed)
- Your email address will not be shared. It is collected for only two reasons:
- Administrative purposes, should a need to contact you arise.
- To inform you of new comments, should you subscribe to receive notifications.
- A cookie may be set on your computer. This is used to remember your inputs. It will expire by itself.
This policy is subject to change at any time and without notice.
These terms and conditions contain rules about posting comments. By submitting a comment, you are declaring that you agree with these rules:
- Although the administrator will attempt to moderate comments, it is impossible for every comment to have been moderated at any given time.
- You acknowledge that all comments express the views and opinions of the original author and not those of the administrator.
- You agree not to post any material which is knowingly false, obscene, hateful, threatening, harassing or invasive of a person's privacy.
- The administrator has the right to edit, move or remove any comment for any reason and without notice.
Failure to comply with these rules may result in being banned from submitting further comments.
These terms and conditions are subject to change at any time and without notice.
- Data Science
- Android
- React Native
- AJAX
- ASP.net
- C
- C++
- C#
- Cocoa
- Cloud Computing
- HTML5
- Java
- Javascript
- JSF
- JSP
- J2ME
- Java Beans
- EJB
- JDBC
- Linux
- Mac OS X
- iPhone
- MySQL
- Office 365
- Perl
- PHP
- Python
- Ruby
- VB.net
- Hibernate
- Struts
- SAP
- Trends
- Tech Reviews
- WebServices
- XML
- Certification
- Interview
categories
Related Tutorials
smskannel SMS gateway run in background
Running jar files in background in ssh window
Install and configure Memcached in linux
Can't locate ExtUtils/MakeMaker.pm in @INC ...
Could not open '': No such file or directory at lib/ExtUtils/MM_Unix.pm line 2697
make: Nothing to be done for `all'.
How to burn your CD / DVD ISO image using Nero Burning ROM (Ahead Software) on Windows
How to burn your CD / DVD ISO image using Media Creator (Adaptec/Roxio) on Windows
How to burn your CD / DVD ISO image using Nero Express (Ahead Software) on Windows
How to burn your CD / DVD ISO image using k3b on CentOS
Comments