diff -r fea625f0a096 -r 170a993745be src/FilesystemCommand.h
--- a/src/FilesystemCommand.h	Mon Jan 20 12:39:22 2020 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,73 +0,0 @@
-/**
- * Relational pipes
- * Copyright © 2019 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 "FilesystemCommandBase.h"
-
-namespace relpipe {
-namespace in {
-namespace filesystem {
-
-namespace fs = std::filesystem;
-using namespace relpipe::writer;
-
-class FilesystemCommand : public FilesystemCommandBase {
-private:
-	std::map<string_t, std::shared_ptr<AttributeFinder>> attributeFinders = createAttributeFinders();
-
-public:
-
-	void process(std::istream& input, std::ostream& output, Configuration& configuration) {
-		std::shared_ptr<RelationalWriter> writer(Factory::create(output));
-
-		string_t relationName = configuration.relation.empty() ? L"filesystem" : configuration.relation;
-
-		std::vector<AttributeMetadata> attributesMetadata;
-		for (RequestedField field : configuration.fields) {
-			std::shared_ptr<AttributeFinder> finder = attributeFinders[field.group];
-			if (finder) for (AttributeMetadata m : finder->toMetadata(writer.get(), relationName, field)) attributesMetadata.push_back(m);
-			else throw RelpipeWriterException(L"Unsupported field group: " + field.group);
-		}
-
-		writer->startRelation(relationName, attributesMetadata, true);
-
-
-		for (std::stringstream originalName; readNext(input, originalName); reset(originalName)) {
-			fs::path file(originalName.str().empty() ? "." : originalName.str()); // interpret empty string as current directory (e.g. result of: find -printf '%P\0')
-			bool exists = false;
-
-			try {
-				exists = fs::exists(file);
-			} catch (const fs::filesystem_error& e) {
-				// we probably do not have permissions to given directory → pretend that the file does not exist
-			}
-
-			for (auto& finder : attributeFinders) finder.second->startFile(file, originalName.str(), exists);
-
-			for (RequestedField field : configuration.fields) {
-				std::shared_ptr<AttributeFinder> finder = attributeFinders[field.group]; // should not be nullptr, because already checked while writing the relation metadata
-				finder->writeField(writer.get(), relationName, field);
-			}
-
-			for (auto& finder : attributeFinders) finder.second->endFile();
-		}
-	}
-};
-
-}
-}
-}