#!/usr/bin/calc -q -f /* * sqaure - print the squares of input values * * Copyright (C) 2000-2007,2014 Ernest Bowen * * 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. * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * * Under source code control: 2000/12/15 06:52:01 * File existed as early as: 2000 * * Share and enjoy! :-) http://www.isthe.com/chongo/tech/comp/calc/ */ /* * Usage: * * From the shell: * * ./square * cat file | ./square * echo "123" | ./square * * Within calc: * * > read square * * With input from a terminal, there is no prompt but each non-empty * line of input is evaluated as a calc expression and if it can be * calculated, the square of the value of that expression is displayed. * Execution stops when an empty line is input. * * From the shell: * * ./square * * The following shows lines of input followed by output: * * 1234 * 1522756 * ln(2) * ~.48045301391820142467 * config("mode","frac"), bernoulli(10) * 25/4356 * config("mode", "hex"), 0xff * 0xfe01 */ global s; while ((s = prompt(""))) print "\t":eval(s)^2;
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