Shell program to calculate the number of digits in a number read from the user
Posted in Academic » Shell Math
#!/bin/bash # Shell program to calculate the number of digits in a # number read from the user # ----------------------------------------------- # 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 number : " read n sd=0 # store number of digit nd=0 on=$n # store $n so that we can use it later # use while loop to caclulate the number of digit while [ $n -gt 0 ] do sd=$(( $n % 10 )) # get Remainder n=$(( $n / 10 )) nd=$(( $nd + 1)) # calculate all digit in a number till n is not zero done echo "Numnber of digit in a $on is $nd"
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Tags: digits, loop method, mathematics, read command, remainder, shell loops, while loop ~ Last updated on: April 8, 2008
