check_audio_channels.sh

#!/bin/bash

#brew install mediainfo first
#chmod a+x check_audio_channels.sh for permission
#run ./check_audio_channels.sh dir_name to check

function check_dir() {
    for file in `ls $1`
    do
        if [ -d $1"/"$file ]
        then
            check_dir $1"/"$file
        else
            check_file $1"/"$file
        fi
    done
}

function check_file() {
    if [[ $1 == *.mp4 ]]
    then
        if mediainfo $1 | grep Channel\(s\) | grep -qc '2 channels'
        then
            echo "File: "$1" # PASS"
        else
            echo "File: "$1" # FAIL, audio format is wrong!"
        fi
    fi
}

check_dir $1