execute commands if microphone input >= the level variable

slapsens.sh

#!/bin/bash

level=$1
i=0

while true;
    do
   
    l_value=$(rec -n stat trim 0 .5 2>&1 | awk '/^RMS     amplitude/ { printf $3 }';)
    is_loud=$(echo $l_value | awk -v lev="$level" '{ if ($0 >= lev) printf "1"; else printf "0" }')

    if [ $is_loud == 1 ]
        then
            # execute...
            i=$((i + 1))
            clear
            echo $l_value
            echo "counter = $i"
    fi
done