--- a/stics4carsolel.bash	Mon Oct 25 11:32:31 2021 +0000
+++ b/stics4carsolel.bash	Mon Nov 22 15:15:08 2021 +0000
@@ -14,13 +14,19 @@
 
 cvle -b $b_size -i ${2} -w work -P Stics4AgFlow -P CarSolEl_sim CarSolEl.vpz
 
-ls work_*/*_byUsm.txt | xargs -t -i tail -n +2 {} | sort -n -k 1 -t ';' > resWithoutHeader.csv
+if [ "$OMPI_COMM_WORLD_RANK" == "0" ]; then
 
-head -1 work_0/1_byUsm.txt > header.cvs
+    ls work_*/*_byUsm.txt | \
+	xargs -t -i tail -n +2 {} | \
+	sort -n -k 1 -t ';' > resWithoutHeader.csv
 
-cat header.cvs resWithoutHeader.csv > res.csv
+    head -1 work_0/1_byUsm.txt > header.cvs
+
+    cat header.cvs resWithoutHeader.csv > res.csv
 
-mv res.csv ${3}
+    mv res.csv ${3}
+
+fi
 
 echo "Stics4AgGlob Job ending:"
 date;