video2audio

#!/usr/bin/env bash
#
# Script name: video2audio
# Version: 2.0.0
# Description: Convert video to audio files with ffmpeg
# Dependencies: ffmpeg, file, notify-send(dunst)
# Github: https://github.com/Ninja-Yubaraj/Shell-Scripts
# Gitlab: https://gitlab.com/Ninja-Yubaraj/Shell-Scripts
# License: https://github.com/Ninja-Yubaraj/Shell-Scripts/LICENSE
# Contributors: Yubaraj Sarkar

# Check if $1 is empty, if it is then exit the script.
if [ -z "$1" ]; then
    echo "No file or directory specified."
    exit 1
fi

# Check if $2 is empty, if it is then exit the script.
if [ -z "$2" ]; then
    echo "No output format specified."
    exit 1
fi

# Check if the parameter is a file or directory and if it is a directory then,
# convert all the files in the directory else convert the file only.
if [ -d "$1" ]; then
    for file in "$1"/*; do
        if [ -f "$file" ]; then
            ffmpeg -i "$file" -vn "${file%.*}.$2"
        fi
    done
elif [ -f "$1" ]; then
    ffmpeg -i "$1" -vn "${1%.*}.$2"
fi

# Notify
if command -v notify-send &>/dev/null; then
    notify-send "video2audio" "Finished Converting File(s)." -i check-solid
fi