--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ArgumentsCommand.h	Sat Jul 28 14:06:53 2018 +0200
@@ -0,0 +1,50 @@
+#pragma once
+
+#include <cstdlib>
+#include <iostream>
+#include <string>
+#include <vector>
+#include <algorithm>
+
+#include <typedefs.h>
+
+#include "Command.h"
+
+namespace relpipe {
+namespace in {
+namespace cli {
+
+class ArgumentsCommand : public Command {
+public:
+
+	void process(std::istream& input, std::ostream& output, const relpipe::writer::string_t& command, const std::vector<relpipe::writer::string_t>& arguments) override {
+		using namespace relpipe::writer;
+
+		size_t i = 0;
+		string_t relationName = arguments[i++];
+		integer_t attributeCount = std::stoul(arguments[i++]); // TODO: use integer data type's method?
+		boolean_t writeHeader = true; // TODO: add option for header omitting
+
+		// TODO: check argument count
+
+		std::shared_ptr<RelationalWriter> writer(Factory::create(output));
+
+		std::vector<std::pair<string_t, TypeId >> attributes(attributeCount);
+
+		for (size_t j = 0; j < attributeCount; j++) {
+			string_t attributeName = arguments[i++];
+			TypeId attributeType = writer->toTypeId(arguments[i++]);
+			attributes[j] = {attributeName, attributeType};
+		}
+
+		writer->startRelation(relationName, attributes, writeHeader);
+
+		for (; i < arguments.size(); i++) {
+			writer->writeAttribute(arguments[i]);
+		}
+	}
+};
+
+}
+}
+}