Shell script to read 5 digit number and calculate the sum of digit
Posted in Shell Math
#!/bin/bash # Shell script to read 5 digit number and calculate the sum of digit # ------------------------------------------------------------------------- # Copyright (c) 2005 nixCraft project <http://cyberciti.biz/fb/> # This script is licensed under GNU GPL version 2.0 or above # ------------------------------------------------------------------------- # This script is part of nixCraft shell script collection (NSSC) # Visit http://bash.cyberciti.biz/ for more information. # ------------------------------------------------------------------------- echo -n "Enter numnber : " read n # find out length of string using wc -c command len=$(echo $n | wc -c) # remove \n i.e. new line character len=$(( $len - 1 )) # use loop to go throug all digit one by one and calculate sum of digit on fly for (( i=1; i <= $len; i++ )) do sum=$(( $sum + $(echo $n | cut -c $i) )) done echo "Sum of $n is $sum"
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Tags: bash shell script, cut command, digit number, for command, for loop, mathematics, shell loops, shell pipes ~ Last updated on: April 4, 2008
