diff -r 000000000000 -r 17fc678e0a94 src/relpipe-out-x11.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/relpipe-out-x11.cpp	Sun Mar 28 18:41:21 2021 +0200
@@ -0,0 +1,63 @@
+/**
+ * Relational pipes
+ * Copyright © 2021 František Kučera (Frantovo.cz, GlobalCode.info)
+ *
+ * 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, version 3 of the License.
+ *
+ * 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/>.
+ */
+
+#include <cstdlib>
+#include <memory>
+
+#include <relpipe/cli/CLI.h>
+#include <relpipe/cli/RelpipeCLIException.h>
+
+#include <relpipe/reader/Factory.h>
+#include <relpipe/reader/RelationalReader.h>
+#include <relpipe/reader/RelpipeReaderException.h>
+
+#include "Configuration.h"
+#include "CLIParser.h"
+#include "X11Handler.h"
+
+using namespace relpipe::cli;
+using namespace relpipe::reader;
+using namespace relpipe::out::x11;
+
+int main(int argc, char**argv) {
+	CLI cli(argc, argv);
+	CLI::untieStdIO();
+	
+	int resultCode = CLI::EXIT_CODE_UNEXPECTED_ERROR;
+
+	try {
+		CLIParser cliParser;
+		Configuration configuration = cliParser.parse(cli.arguments());
+		std::shared_ptr<RelationalReader> reader(Factory::create(std::cin));
+		X11Handler handler(std::cout, configuration);
+		reader->addHandler(&handler);
+		reader->process();
+
+		resultCode = CLI::EXIT_CODE_SUCCESS;
+
+	} catch (RelpipeCLIException e) {
+		fwprintf(stderr, L"Caught CLI exception: %ls\n", e.getMessge().c_str());
+		fwprintf(stderr, L"Debug: Input stream: eof=%ls, lastRead=%d\n", (cin.eof() ? L"true" : L"false"), cin.gcount());
+		resultCode = e.getExitCode();
+	} catch (RelpipeReaderException e) {
+		fwprintf(stderr, L"Caught Reader exception: %ls\n", e.getMessge().c_str());
+		fwprintf(stderr, L"Debug: Input stream: eof=%ls, lastRead=%d\n", (cin.eof() ? L"true" : L"false"), cin.gcount());
+		resultCode = CLI::EXIT_CODE_DATA_ERROR;
+	}
+
+	return resultCode;
+}