res=$(nmcli device wifi list | sed 's/\ \ \ */|/g' | grep "*" | cut -d"|" -f 3,6,8)

name=${res%%|*}
bars=${res##*|}
bars=$(( 4 - $(echo $bars | tr -dc "_" |wc -c) ))
speed=${res#*|}
speed=${speed%|*}

echo "{\"name\":\"$name\",\"speed\":\"$speed\",\"bars\":\"$bars\",\"icon\":\"\"}"