SQL queries from ceb, including profitable trade calculator

[ypp-sc-tools.db-test.git] / ypp-restock-rum

diff --git a/ypp-restock-rum b/ypp-restock-rum
index ab56abd3f14fd1ca862d0619dedad5c28fb905a9..1b0a11f48cfaee7ad58c46def2192031cebcbf2e 100755 (executable)
--- a/ypp-restock-rum
+++ b/ypp-restock-rum
@@ -1,4 +1,26 @@
 #!/usr/bin/perl -w
+# This is part of ypp-sc-tools, a set of third-party tools for assisting
+# players of Yohoho Puzzle Pirates.
+#
+# Copyright (C) 2009 Ian Jackson <ijackson@chiark.greenend.org.uk>
+#
+# 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 3 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.  If not, see <http://www.gnu.org/licenses/>.
+#
+# Yohoho and Puzzle Pirates are probably trademarks of Three Rings and
+# are used without permission.  This program is not endorsed or
+# sponsored by Three Rings.
+
 use strict qw(vars);
 use IO::Handle;
 use POSIX;
@@ -77,14 +99,23 @@ sub parse_info ($$$\@$) {
 our (@have,@want,@price);
 
 sub parse_args () {
-    @ARGV or badusage("need some information to go on");
+    if (!@ARGV) {
+       print STDERR <<END or die $!;
+
+ypp-restock-rum is part of ypp-sc-tools  Copyright (C) 2009 Ian Jackson
+This program comes with ABSOLUTELY NO WARRANTY; this is free software,
+and you are welcome to redistribute it under certain conditions.
+For details, read the top of the ypp-restock-rum file.
+END
+        badusage("need some information to go on");
+    }
     while (@ARGV) {
        $_ = shift @ARGV;
        if (m/^have$/) {
            parse_info(1,0,1, @{ $have[@have] }, 'have');
        } elsif (m/^want$/) {
            parse_info(1,0,0, @want, 'want');
-       } elsif (m/^price$/) {
+       } elsif (m/^prices?$|^costs?$/) {
            parse_info(0,1e7,0, @price, 'price');
        } else {
            badusage("unknown information argument \`$_'");