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Homework and Emergencies Homework & Coursework Questions Unix/Linux Math Decimal to Whole Number Format? Post 302549726 by frank_rizzo on Tuesday 23rd of August 2011 10:47:07 PM
Old 08-23-2011
do you want to truncate or round to remove the decimal?

all variables in shell scripting will be treated as integers for calculations and will be truncated. if you do something like tax=.03 this is really assigning the string ".03" to the variable $tax.
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NUMROUND(1)						User Contributed Perl Documentation					       NUMROUND(1)

NAME
numround - A program that rounds off numbers it encounters. SYNOPSIS
numround [-cdfhV] <FILE> | numround [-cdfhV] (Input on STDIN from pipeline.) numround [-cdfhV] (Input on STDIN. Use Ctrl-D to stop.) DESCRIPTION
numround will simply round decimal numbers to the nearest integer or to a factor of any number using the -n option. You can also force it to round up (ceiling) or round down(floor) using the -c and -f options. OPTIONS
-c Force the number to be rounded up. Ceiling. -f Force the number to be rounded down. Floor. -n <n> Round numbers to the nearest factor of <n>. -h Print out some helpful information about numround. -V Increase verbosity. This will print out numbers as it finds them. -d Debug mode. For developers only. BUGS
numround currently only rounds the first number on each line. Eventually this will be changed as all the numeric utilities are developed. numround will drop off the decimal places in decimal numbers. This may cause some calculations to be in error, depending on how you are using the data. SEE ALSO
numaverage(1), numbound(1), numinterval(1), numnormalize(1), numgrep(1), numprocess(1), numsum(1), numrandom(1), numrange(1) COPYRIGHT
numround is part of the num-utils package, which is copyrighted by Suso Banderas and released under the GPL license. Please read the COPYING and LICENSE files that came with the num-utils package Developers can read the GOALS file and contact me about providing submitions or help for the project. MORE INFO
More info on numround can be found at: http://suso.suso.org/programs/num-utils/ perl v5.10.1 2009-10-31 NUMROUND(1)
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