#!/usr/bin/calc -q -p -f
/*
 * square - print the squares of input values
 *
 * Copyright (C) 2000-2007,2014,2019,2021  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
 *
 *  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
 *       2i
 *               -4
 *       config("mode","frac"), bernoulli(10)
 *               25/4356
 *       config("mode", "hex"), 0xff
 *               0xfe01
 */


while (s = fgetline(files(0))) {
        print "\t":eval(s)^2;
}
