diff -r 2ac59242d0cb -r e4558df9ba2d src/Configuration.h
--- a/src/Configuration.h	Tue May 07 21:25:45 2019 +0200
+++ b/src/Configuration.h	Tue May 07 21:33:59 2019 +0200
@@ -47,6 +47,11 @@
 	relpipe::writer::string_t awkForEach;
 
 	/**
+	 * If true, AWK code will be executed, but no output will be generated.
+	 */
+	bool drop = false;
+
+	/**
 	 * Variable definitions for this relation.
 	 * Can be used as a safe way for passing parameters from the outside environment.
 	 * See also Configuration::definitions (can be overridden by relation's definitions)