search for peer

termux-shortcuts/.shortcuts/sweep.sh

@@ -29,5 +29,8 @@ findpeer(){
     done
     wait
 }
-exit 0
-findpeer "$PREFIX" "$MYIP"
+PEERIP="$(findpeer "$PREFIX" "$MYIP")"
+[ "$PEERIP" ] || {
+    echo "Failed to find peer on $IFACE (${PREFIX}.0/24)" >&2
+    exit 1
+}