diff --git a/SnowflakeTraffic.sh b/SnowflakeTraffic.sh
index 0cc93e4..261b71b 100644
--- a/SnowflakeTraffic.sh
+++ b/SnowflakeTraffic.sh
@@ -8,7 +8,6 @@ END_DATE="${2:-}"
 # Validierung der Datumseingaben
 validate_date() {
     local date="$1"
-    [[ -z "$date" ]] && return 0
     if [[ ! "$date" =~ ^[0-9]{4}-[0-9]{2}-[0-9]{2}$ ]]; then
         echo "Fehler: Ungültiges Datumsformat für '$date' (erwartet: YYYY-MM-DD)" >&2
         exit 1
@@ -18,81 +17,60 @@ validate_date() {
 validate_date "$START_DATE"
 validate_date "$END_DATE"
 
+# Extrahiere und konvertiere Docker Logs mit awk
 docker logs snowflake-proxy 2>&1 | awk -v start_date="$START_DATE" -v end_date="$END_DATE" '
-function human_readable(kb,    units, size, i) {
-    split("KB MB GB TB PB", units)
+function human_readable(kb) {
+    units = split("KB MB GB TB PB", unit_array)
     size = kb
-    for (i = 1; size >= 1024 && i <= length(units); i++) {
-        size = size / 1024
+    for (i = 1; size >= 1024 && i < units; i++) {
+        size /= 1024
     }
-    return sprintf("%.2f %s", size, units[i])
+    return sprintf("%.2f %s", size, unit_array[i])
 }
 
-function date_to_epoch(date_str,    parts) {
-    if (split(date_str, parts, /[-\/]/) != 3) return -1
-    if (parts[1] < 1970 || parts[2] < 1 || parts[2] > 12 || parts[3] < 1 || parts[3] > 31) return -1
-    return mktime(parts[1] " " parts[2] " " parts[3] " 00 00 00")
+function date_to_epoch(date_str) {
+    if (split(date_str, parts, /[-\/]/) != 3 || parts[1] < 1970 ||
+        parts[2] < 1 || parts[2] > 12 || parts[3] < 1 || parts[3] > 31)
+        return -1
+    return mktime(parts[1]" "parts[2]" "parts[3]" 00 00 00")
 }
 
 BEGIN {
-    if (start_date != "" && date_to_epoch(start_date) == -1) {
-        print "Ungültiges Startdatum Format" > "/dev/stderr"
+    if (start_date != "" && date_to_epoch(start_date) == -1 ||
+        end_date != "" && date_to_epoch(end_date) == -1)
         exit 1
-    }
-    if (end_date != "" && date_to_epoch(end_date) == -1) {
-        print "Ungültiges Enddatum Format" > "/dev/stderr"
-        exit 1
-    }
 }
-
 {
-    include_line = 0  # Zurücksetzen bei jeder neuen Zeile
-    
+    include_line = 0
+
     # Datumserkennung und Formatierung
     if (match($0, /([0-9]{4}[-\/][0-9]{2}[-\/][0-9]{2})/, date_match)) {
         current_date = date_match[1]
         gsub(/[\/]/, "-", current_date)  # Standardisiert auf YYYY-MM-DD
-        
-        if (!first_date) first_date = current_date
+
+        first_date = first_date == "" ? current_date : first_date
         last_date = current_date
-        
+
         current_epoch = date_to_epoch(current_date)
-        if (current_epoch == -1) next  # Ungültiges Datum überspringen
-        
-        include_line = 1
-        
-        if (start_date != "") {
-            start_epoch = date_to_epoch(start_date)
-            if (current_epoch < start_epoch) include_line = 0
-        }
-        
-        if (end_date != "" && include_line) {
-            end_epoch = date_to_epoch(end_date)
-            if (current_epoch > end_epoch) include_line = 0
-        }
+        if (current_epoch != -1 && (
+            start_date == "" || date_to_epoch(start_date) <= current_epoch) &&
+            (end_date == "" || end_date >= current_epoch))
+            include_line = 1
     }
 }
-
 include_line && /Traffic Relayed ↓ [0-9]+ KB .*↑ [0-9]+ KB/ {
-    # Sicherere Extraktion der Werte mit regulären Ausdrücken
     if (match($0, /↓ ([0-9]+) KB.*↑ ([0-9]+) KB/, traffic)) {
         down += traffic[1]
         up += traffic[2]
     }
 }
-
 END {
-    printf "Statistik-Zeitraum:\n"
-    printf "Erster Eintrag:  %s\n", first_date
-    printf "Letzter Eintrag: %s\n", last_date
-    
+    printf "Statistik-Zeitraum:\nErster Eintrag:  %s\nLetzter Eintrag: %s\n", first_date, last_date
     if (start_date != "" || end_date != "") {
-        printf "Gefilterter Bereich: %s bis %s\n\n", 
-            (start_date != "" ? start_date : "Anfang"), 
-            (end_date != "" ? end_date : "Ende")
+        printf "\nGefilterter Bereich: %s bis %s\n",
+            start_date == "" ? "Anfang" : start_date,
+            end_date == "" ? "Ende" : end_date
     }
-    
-    printf "\nGesamte Datenmengen:\n"
-    printf "Download: %d KB (%s)\n", down, human_readable(down)
-    printf "Upload:   %d KB (%s)\n", up, human_readable(up)
-}'
\ No newline at end of file
+    printf "\nGesamte Datenmengen:\nDownload: %d KB (%s)\nUpload:   %d KB (%s)\n", down, human_readable(down), up, human_readable(up)
+}
+'
\ No newline at end of file