Choose interface internet

1 files changed, 16 insertions, 6 deletions

diff --git a/autoDHCP.sh b/autoDHCP.sh
index b7bc08c..e183602 100755
--- a/autoDHCP.sh
+++ b/autoDHCP.sh
@@ -45,12 +45,22 @@ function guess_nowifi {
     done
 }
 function guess_internet {
-    echo $(ip route show | grep 'default' | head -n 1 | \
-                    sed 's/.*dev/dev/' | sed 's/scope//' | \
-                    sed 's/src \([[:digit:]]\{1,3\}\.\)\{3\}[[:digit:]]\{1,3\}//g' | \
-                    sed 's/link//' |
-                    tr -s ' ' |
-                    cut -d' ' -f 2)
+  options=($(ip route show | grep 'default' | \
+              sed 's/.*dev/dev/' | sed 's/scope//' | \
+              sed 's/src \([[:digit:]]\{1,3\}\.\)\{3\}[[:digit:]]\{1,3\}//g' | \
+              sed 's/link//' |
+              tr -s ' ' |
+              cut -d' ' -f 2))
+
+  PS3='Choose internet interface: '
+
+  select opt in "${options[@]}"
+  do
+    if [ -n "$opt" ]; then
+      echo "$opt"
+      break
+    fi
+  done
 }
 
 if [ "$1" == "dns" ] ; then