diff -r 714e4fac9cd0 -r 7ae30649b30b scripts/help_generator.pl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/scripts/help_generator.pl	Sun Dec 29 15:28:24 2013 +0100
@@ -0,0 +1,58 @@
+#!/usr/bin/perl
+
+# SQL-DK
+# Copyright © 2013 František Kučera (frantovo.cz)
+# 
+# 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/>.
+
+
+# Parses Java source code from STDIN and generates simple help
+# Input (in this order):
+#	info/globalcode/sql/dk/CLIParser.java
+#	info/globalcode/sql/dk/CLIStarter.java
+
+# TODO: localization
+
+
+print 'SQL-DK – and SQL batch client
+
+Options:
+
+';
+
+while (<>) {
+	print "	" . sprintf("%-24s", $1) . "$3\n" if (/"(.*?)".*? \/\/\s*bash-completion:option(\s*\/\/\s*help:(.*))?/);
+	last if (/\/\/\s*help:exit-codes/);
+}
+
+print '
+Examples:
+
+	sql-dk --db MyDatabase --sql "SELECT * FROM table"
+
+	sql-dk --db MyDatabase --sql "SELECT * FROM table WHERE a = ? AND b = ?" --data "abc" "def"
+	sql-dk --db MyDatabase --sql "SELECT * FROM table WHERE a = :paramA AND b = :paramB" --data-named "paramA" "abc" "paramB" "def"
+
+	sql-dk --db MyDatabase --sql "SELECT * FROM table WHERE a = ? AND b = ?" --types "varchar,integer" --data "abc" "123"
+	sql-dk --db MyDatabase --sql "SELECT * FROM table WHERE a = :paramA AND b = :paramB" --types "paramA:varchar,paramB:integer" --data-named "paramA" "abc" "paramB" "123"
+
+Exit codes:
+
+';
+
+while (<>) {
+	print "	$1 = $2\n" if (/EXIT_.*?=\s*(\d+)\s*;\s*\/\/\s*doc:(.*)/);
+}
+
+print "\n";