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fix: Handle missing interfaces properly

This commit is contained in:
Sayantan Santra 2023-08-02 17:36:05 -05:00
parent fd0492a1d1
commit 0010b50be7
Signed by: SinTan1729
GPG key ID: EB3E68BFBA25C85F

View file

@ -4,7 +4,7 @@
echo 'ipv4:' echo 'ipv4:'
for i in eth0 eno1 wlan0; do for i in eth0 eno1 wlan0; do
$(ip -4 addr | grep -q $i) || continue $(ip -4 addr | grep -q " $i:") || continue
addr="$(ip -4 addr show dev $i | grep -oP '(?<=inet\s)\d+(\.\d+){3}')" addr="$(ip -4 addr show dev $i | grep -oP '(?<=inet\s)\d+(\.\d+){3}')"
[ -z "$addr" ] || echo -e "\t$i: \t\t$addr" [ -z "$addr" ] || echo -e "\t$i: \t\t$addr"
done done
@ -15,7 +15,7 @@ echo -e "\texternal: \t${addr:-n/a}"
echo 'ipv6:' echo 'ipv6:'
for i in eth0 eno1 wlan0; do for i in eth0 eno1 wlan0; do
$(ip -6 addr | grep -q $i) || continue $(ip -6 addr | grep -q " $i:") || continue
addr="$(ip -6 addr show dev $i | grep -oP '(?<=inet6\s)\w+(\:{1,2}\w+){4}(?=.+link)')" addr="$(ip -6 addr show dev $i | grep -oP '(?<=inet6\s)\w+(\:{1,2}\w+){4}(?=.+link)')"
[ -z "$addr" ] || echo -e "\t$i: \t\t$addr" [ -z "$addr" ] || echo -e "\t$i: \t\t$addr"
done done