diff -r 82bd0f57a889 -r 051e58022783 src/CLIParser.h
--- a/src/CLIParser.h	Tue Feb 05 12:41:54 2019 +0100
+++ b/src/CLIParser.h	Tue Feb 05 20:40:32 2019 +0100
@@ -58,6 +58,8 @@
 
 	static const string_t OPTION_RELATION;
 	static const string_t OPTION_OUTPUT_ATTRIBUTE;
+	static const string_t OPTION_INPUT_ATTRIBUTES_APPEND;
+	static const string_t OPTION_INPUT_ATTRIBUTES_PREPEND;
 	static const string_t OPTION_BEFORE_RECORDS;
 	static const string_t OPTION_AFTER_RECORDS;
 	static const string_t OPTION_FOR_EACH;
@@ -78,6 +80,8 @@
 				else if (option == OPTION_FOR_EACH) currentRelation.guileForEach = readNext(arguments, i);
 				else if (option == OPTION_WHERE) currentRelation.guileWhere = readNext(arguments, i);
 				else if (option == OPTION_DROP) currentRelation.drop = true;
+				else if (option == OPTION_INPUT_ATTRIBUTES_APPEND) currentRelation.inputAttributesAppend = true;
+				else if (option == OPTION_INPUT_ATTRIBUTES_PREPEND) currentRelation.inputAttributesPrepend = true;
 				else if (option == OPTION_RELATION) {
 					addRelation(c, currentRelation); // previous relation
 					currentRelation.relation = readNext(arguments, i);
@@ -109,6 +113,8 @@
 
 const string_t CLIParser::OPTION_RELATION = L"--relation";
 const string_t CLIParser::OPTION_OUTPUT_ATTRIBUTE = L"--output-attribute";
+const string_t CLIParser::OPTION_INPUT_ATTRIBUTES_APPEND = L"--input-attributes-append";
+const string_t CLIParser::OPTION_INPUT_ATTRIBUTES_PREPEND = L"--input-attributes-prepend";
 const string_t CLIParser::OPTION_BEFORE_RECORDS = L"--before-records";
 const string_t CLIParser::OPTION_AFTER_RECORDS = L"--after-records";
 const string_t CLIParser::OPTION_FOR_EACH = L"--for-each";