jenkinsfile - watch screen test 7k trying print

api/Jenkinsfile.ble_test

@@ -93,7 +93,7 @@ pipeline {
                                 # Tail the file and flush each line immediately
                                 tail -n +1 -f "/tmp/ble_test_${env.TEST_HASH}.log" |
                                     while IFS= read -r line; do
-                                        echo \$line
+                                        printf '%s\\n' "\$line"
                                     done    
                             done
                             EOF