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Full Discussion: Regarding decimal numbers
Top Forums Shell Programming and Scripting Regarding decimal numbers Post 302391159 by TonyFullerMalv on Saturday 30th of January 2010 06:01:04 PM
Old 01-30-2010
A method of doing non-integer maths in scripts is to call the external binary bc(1), e.g.:
Code:
$ echo "scale=3; 10 / 3.141" | bc
3.183
$

The shell you use will then only determine how you assign the output to a variable.
 

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LR_ENVIRONMENT.IN(1)					  LogReport's Lire Documentation				      LR_ENVIRONMENT.IN(1)

NAME
lr_environment - Export Lire configuration in shell script form SYNOPSIS
eval `lr_environment` DESCRIPTION
The lr_environment command is used to import the Lire configuration in Lire shell scripts. All of Lire configuration variables will be written in a format that can be evaled by the shell. Shell scripts don't usually have to use that command, since it is done by the defaults file sourced by each command. The old names used by when the configuration was done in shell script are also exported by this script for backward compatibility. AUTHOR
Francis J. Lacoste <flacoste@logreport.org> VERSION
$Id: lr_environment.in,v 1.12 2006/07/23 13:16:33 vanbaal Exp $ COPYRIGHT
Copyright (C) 2003 Stichting LogReport Foundation LogReport@LogReport.org This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program (see COPYING); if not, check with http://www.gnu.org/copyleft/gpl.html. Lire 2.1.1 2006-07-23 LR_ENVIRONMENT.IN(1)
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