pyaudio_test.sh

#!/bin/sh
c="true"
count=0
while c=="true"
do
    d="true"
    python3 recorder.py > log.txt
    cat log.txt  | grep "channel: 0 RMS: " | awk -F':' '{print $NF}' | while read LINE
    do
        echo ${LINE}
        if [ "${LINE}" = "0 dB" ]; then
            echo "get it"
            d="false"
        fi
            
        if [ "${LINE}" = "\-inf dB" ]; then
            echo "get it"
            d="false"
        fi

    done
    # x=$(cat log.txt  | grep "channel: 0 RMS: " | grep "0 dB" | awk -F':' '{print $NF}')
    # echo ${x}
    # if [ ${x} ]; then
    #     break
    # fi
    # x=$(cat log.txt  | grep "channel: 0 RMS: " | grep "\-inf dB" | awk -F':' '{print $NF}')
    # if [ ${x} ]; then
    #     break
    # fi   
    if [ "${d}" = " false" ]; then
        break
    fi 
    sleep 1
    count=$((count + 1))
    echo ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>${count}"
done