1 files changed, 15 insertions, 0 deletions
diff --git a/scripts/eth.sh b/scripts/eth.sh
new file mode 100755
index 0000000..2fb8b30
--- /dev/null
+++ b/scripts/eth.sh
@@ -0,0 +1,15 @@
+#!/bin/bash
+# dotfiles -- scripts/eth.sh
+# author: johannst
+
+if="${BLOCK_INSTANCE:-enp0s25}"
+[[ ! -d /sys/class/net/${if} ]] && exit 0
+
+# operstate: down, up
+[[ "$(cat /sys/class/net/$IF/operstate)" = 'down' ]] && exit 0
+
+# first ipv4 addr
+IP_ADDR=$(ip address show $if | grep 'inet ' | sed 's/\s\+inet \([0-9.]\+\)\/.*/\1/')
+
+echo "$IP_ADDR"
+