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f2bt

@@ -0,0 +1,39 @@
+#!/usr/bin/env bash
+
+##FAIL2BAN LOG ANALYZER
+
+set -euo pipefail
+clear
+
+##CONFIG
+log="${1:-/var/log/fail2ban.log}"
+
+##CHECK
+if [[ ! -f "$log" ]]; then
+    echo "Error: File not found: $log" >&2
+    exit 1
+fi
+
+##RUN
+echo "==========================="
+echo "FAIL2BAN DAILY TOTALS   "
+echo "==========================="
+awk '
+{
+    ##FIELDS: $1 = date (YYYY-MM-DD), $2 = time
+    if ($1 ~ /^[0-9]{4}-[0-9]{2}-[0-9]{2}$/) {
+        counts[$1]++
+    }
+}
+END {
+    n = asorti(counts, sorted, "@ind_str_asc")
+    for (i = 1; i <= n; i++) {
+        printf "%s  %6d\n", sorted[i], counts[sorted[i]]
+    }
+}
+' "$log" | column -t -R 2
+echo "---------------------------"
+tot=$(wc -l < "$log" | tr -d ' ')
+echo "==========================="
+printf "Total: %s lines\n" "$tot"
+