Move to use logging lib for logs, update runmailstats.sh for no manipulation of logs files

root/usr/bin/runmailstats.sh

@@ -1,17 +1,21 @@
 #!/bin/bash
-#exec 1> >(logger -t $(basename $0)) 2>&1
-yesterday_date=$(date -d "yesterday" +'%b %d')
-echo "Processing for:"$yesterday_date
-cd /var/log/qpsmtpd
-cat *.log  qpsmtpd.log-???????? >/opt/mailstats/logs/current1 2>/dev/null
-cd /var/log/sqpsmtpd
-cat *.log sqpsmtpd.log-???????? >/opt/mailstats/logs/current2 2>/dev/null
-cd /var/log/uqpsmtpd
-cat *.log  uqpsmtpd.log-???????? >/opt/mailstats/logs/current3 2>/dev/null
-cd /opt/mailstats/logs
-cat current1 current2 current3  2>/dev/null | grep  "$yesterday_date" > current.log 
-ls -l
-perl /usr/bin/mailstats.pl /opt/mailstats/logs/current.log
-# and run new python one - start by copying and decoding log files
-python3 /usr/bin/mailstats.py
-echo "Done"
+
+# Validate date format (YYYY-MM-DD)
+validate_date() {
+    local date_regex="^[0-9]{4}-(0[1-9]|1[0-2])-(0[1-9]|[12][0-9]|3[01])$"
+    if [[ ! $1 =~ $date_regex ]]; then
+        echo "Error: Invalid date format. Use YYYY-MM-DD" >&2
+        exit 1
+    fi
+}
+
+# Set date (default: yesterday)
+if [ -n "$1" ]; then
+    run_date="$1"
+    validate_date "$run_date"
+else
+    run_date=$(date -d "yesterday" +%F)
+fi
+
+# Run mailstats with validated date 
+python3 /usr/bin/mailstats.py -d "$run_date"