#!/usr/local/src/cmd/calc/calc -q -f/* * plus - add two or more arguments together * * Copyright (C) 1999-2007  Landon Curt Noll * * Calc is open software; you can redistribute it and/or modify it under * the terms of the version 2.1 of the GNU Lesser General Public License * as published by the Free Software Foundation. * * Calc 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 Lesser General * Public License for more details. * * A copy of version 2.1 of the GNU Lesser General Public License is * distributed with calc under the filename COPYING-LGPL.  You should have * received a copy with calc; if not, write to Free Software Foundation, Inc. * 59 Temple Place, Suite 330, Boston, MA  02111-1307, USA. * * @(#) $Revision: 29.4 $ * @(#) $Id: plus.calc,v 29.4 2007/02/07 00:34:04 chongo Exp $ * @(#) $Source: /usr/local/src/cmd/calc/cscript/RCS/plus.calc,v $ * * Under source code control:	1999/11/29 10:22:37 * File existed as early as:	1999 * * chongo <was here> /\oo/\	http://www.isthe.com/chongo/ * Share and enjoy!  :-) http://www.isthe.com/chongo/tech/comp/calc/ * * usage: *	plus val ... *//* * parse args */if (argv() < 2) {	/* we include the name of this script in the error message */	fprintf(files(2), "usage: %s value ...\n", config("program"));	abort "not enough args";}/* * print the sum of the args * * Since args are strings, we must eval them before using them numerically. */sum = 0;for (i=1; i < argv(); ++i) {	sum += eval(argv(i));}print sum;