Index: doc/theses/thierry_delisle_PhD/code/relaxed_list.cpp
===================================================================
--- doc/theses/thierry_delisle_PhD/code/relaxed_list.cpp	(revision 47a541d4bbfffda62bc3524d84d32cee5aa50dae)
+++ doc/theses/thierry_delisle_PhD/code/relaxed_list.cpp	(revision 16ee228ab4d4366ab687eb289e61a5b6c0e4a45a)
@@ -127,4 +127,5 @@
 	auto before = Clock::now();
 	barrier.wait(0);
+	bool is_tty = isatty(STDOUT_FILENO);
 
 	while(true) {
@@ -136,6 +137,8 @@
 			break;
 		}
-		std::cout << "\r" << std::setprecision(4) << durr.count();
-		std::cout.flush();
+		if(is_tty) {
+			std::cout << "\r" << std::setprecision(4) << durr.count();
+			std::cout.flush();
+		}
 	}