add script to pretty print dnsmasq leases file

Sponsored-by: author

1 files changed, 13 insertions, 0 deletions

diff --git a/leases.sh b/leases.sh
new file mode 100755
index 0000000..513998a
--- /dev/null
+++ b/leases.sh
@@ -0,0 +1,13 @@
+#!/bin/bash
+
+set -euo pipefail
+
+awk '
+$4 == "*" { name=$2 }
+$4 != "*" { name=$4 }
+{ print name, $1, $3 }
+' /var/lib/misc/dnsmasq.leases |
+	sort |
+	while read name timestamp ip; do
+		printf '%s   %-15s   %s\n' "$(date -Imin --date "@$timestamp")" "$ip" "$name"
+	done