x-open-ports helper script

local/bin/x-open-ports

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+#
+# List open (listened) ports, without the crud that
+# usually comes with `lsof -i`
+#
+# Originally from: https://www.commandlinefu.com/commands/view/8951
+# Original author: https://www.commandlinefu.com/commands/by/wickedcpj
+#
+echo 'User:                Command:                  Port:';
+echo '=====================================================';
+
+lsof -i 4 -P -n +c 0 | \
+    grep -i 'listen' | \
+    awk '{print $3, $1, $9}' | \
+    sed 's/ [a-z0-9\.\*]*:/ /' | \
+    sort -k 3 -n | \
+    xargs printf '%-20s %-25s %-5s\n' | uniq
+
+echo "";
+