diff --git a/scripts/generate_csv b/scripts/generate_csv
index e3693a7..d247908 100755
--- a/scripts/generate_csv
+++ b/scripts/generate_csv
@@ -1,23 +1,23 @@
 #!/bin/bash
 
 echo "orig latencies global"
-{ echo "delta" ; ls|grep orig-|while read -r line; do cat $line/res/orig.csv|grep -Po "\d*µs"|grep -Po "\d*"; done } > orig_latencies_global.csv
+{ echo "delta" ; ls|grep '^orig-'|while read -r line; do cat $line/res/orig.csv|grep -Po "\d*µs"|grep -Po "\d*"; done } > orig_latencies_global.csv
 echo "orig latencies distri"
-{ echo "hs,type,delta";ls|grep orig-|while read -r line; do cat $line/res/orig.csv|grep -Po "\d*µs"|grep -Po "\d*"|python3 ./format-data.py $line; done } > orig_latencies_distri.csv
+{ echo "hs,type,delta";ls|grep '^orig-'|while read -r line; do cat $line/res/orig.csv|grep -Po "\d*µs"|grep -Po "\d*"|python3 ./format-data.py $line; done } > orig_latencies_distri.csv
 
 echo "naive latencies global"
-{ echo "delta" ; ls|grep naive-|while read -r line; do cat $line/res/naive.csv|grep -Po "\d*µs"|grep -Po "\d*"; done } > naive_latencies_global.csv
+{ echo "delta" ; ls|grep '^naive-'|while read -r line; do cat $line/res/naive.csv|grep -Po "\d*µs"|grep -Po "\d*"; done } > naive_latencies_global.csv
 echo "naive latencies distri"
-{ echo "hs,type,delta";ls|grep naive-|while read -r line; do cat $line/res/naive.csv|grep -Po "\d*µs"|grep -Po "\d*"|python3 ./format-data.py $line; done } > naive_latencies_distri.csv
+{ echo "hs,type,delta";ls|grep '^naive-'|while read -r line; do cat $line/res/naive.csv|grep -Po "\d*µs"|grep -Po "\d*"|python3 ./format-data.py $line; done } > naive_latencies_distri.csv
 
 echo "rr latencies global"
-{ echo "delta" ; ls|grep rr-|while read -r line; do cat $line/res/rr.csv|grep -Po "\d*µs"|grep -Po "\d*"; done } > rr_latencies_global.csv
+{ echo "delta" ; ls|grep '^rr-'|while read -r line; do cat $line/res/rr.csv|grep -Po "\d*µs"|grep -Po "\d*"; done } > rr_latencies_global.csv
 echo "rr latencies distri"
-{ echo "hs,type,delta";ls|grep rr-|while read -r line; do cat $line/res/rr.csv|grep -Po "\d*µs"|grep -Po "\d*"|python3 ./format-data.py $line; done } > rr_latencies_distri.csv
+{ echo "hs,type,delta";ls|grep '^rr-'|while read -r line; do cat $line/res/rr.csv|grep -Po "\d*µs"|grep -Po "\d*"|python3 ./format-data.py $line; done } > rr_latencies_distri.csv
 
 echo "rrh latencies global"
-{ echo "delta" ; ls|grep rrh-|while read -r line; do cat $line/res/rrh.csv|grep -Po "\d*µs"|grep -Po "\d*"; done } > rrh_latencies_global.csv
+{ echo "delta" ; ls|grep '^rrh-'|while read -r line; do cat $line/res/rrh.csv|grep -Po "\d*µs"|grep -Po "\d*"; done } > rrh_latencies_global.csv
 echo "rrh latencies distri"
-{ echo "hs,type,delta";ls|grep rrh-|while read -r line; do cat $line/res/rrh.csv|grep -Po "\d*µs"|grep -Po "\d*"|python3 ./format-data.py $line; done } > rrh_latencies_distri.csv
+{ echo "hs,type,delta";ls|grep '^rrh-'|while read -r line; do cat $line/res/rrh.csv|grep -Po "\d*µs"|grep -Po "\d*"|python3 ./format-data.py $line; done } > rrh_latencies_distri.csv