--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/ENVCommand.h	Sun Apr 24 00:39:48 2022 +0200
@@ -0,0 +1,57 @@
+/**
+ * Relational pipes
+ * Copyright © 2020 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/>.
+ */
+#pragma once
+
+#include <codecvt>
+#include <memory>
+#include <string>
+
+extern char** environ;
+
+namespace relpipe {
+namespace in {
+namespace env {
+
+class ENVCommand {
+private:
+
+	std::wstring_convert<codecvt_utf8<wchar_t>> convertor; // TODO: support also other encodings and use platform encoding as default
+
+public:
+
+	void process(std::shared_ptr<writer::RelationalWriter> writer) {
+		writer->startRelation(L"env",{
+			{L"name", relpipe::writer::TypeId::STRING},
+			{L"value", relpipe::writer::TypeId::STRING},
+		}, true);
+
+		for (char** e = environ; *e; e++) {
+			std::string entry = *e;
+
+			size_t split = entry.find("=");
+			std::string name = entry.substr(0, split);
+			std::string value = entry.substr(split + 1);
+
+			writer->writeAttribute(convertor.from_bytes(name));
+			writer->writeAttribute(convertor.from_bytes(value));
+		}
+	}
+};
+
+}
+}
+}