X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=resources%2Ftools%2Fwrk%2Fwrk_utils.sh;h=16af61416bbf56851457fc9122b7103324b12324;hb=refs%2Fchanges%2F16%2F21316%2F1;hp=1c77fea731fefa9d3644b17244c7ce2065603366;hpb=4e288f27c54e9cefc62ccbf277a1c1ca7b048ff9;p=csit.git

diff --git a/resources/tools/wrk/wrk_utils.sh b/resources/tools/wrk/wrk_utils.sh
index 1c77fea731..16af61416b 100755
--- a/resources/tools/wrk/wrk_utils.sh
+++ b/resources/tools/wrk/wrk_utils.sh
@@ -74,7 +74,7 @@ function wrk_utils.traffic_1_url_1_core {
     if [ "${header}" != "None" ]; then
         header="${header}"
     else
-        header=""
+        header="''"
     fi
 
     taskset --cpu-list ${cpu} \
@@ -134,7 +134,7 @@ function wrk_utils.traffic_n_urls_n_cores {
     if [ "${header}" != "None" ]; then
         header="${header}"
     else
-        header=""
+        header="''"
     fi
 
     urls=$(echo ${urls} | tr ";" "\n")
@@ -204,7 +204,7 @@ function wrk_utils.traffic_n_urls_m_cores {
     if [ "${header}" != "None" ]; then
         header="${header}"
     else
-        header=""
+        header="''"
     fi
 
     urls=$(echo ${urls} | tr ";" "\n")