Simple script to convert all audio files in current directory to mp3

2mp3

#!/bin/bash

BLUE='\033[1;34m'
NC='\033[0m'
RED='\033[1;31m'
GREEN='\033[1;32m'

total_files=0
current_file=0
ext="flac"

print_status() {
    echo -e "$1"
}

validate_ffmpeg() {
    if ! command -v ffmpeg &> /dev/null; then
        print_status "${RED}Error: ffmpeg is not installed. Please install ffmpeg before running this script.${NC}"
        exit 1
    fi
}

get_extension() {
    read -p "Please enter the extension to convert from [flac]: " ext
    ext=${ext:-flac}
}

count_files() {
    for file in *."$ext"; do
        if [ -e "$file" ]; then
            total_files=$((total_files+1))
            print_status "${BLUE}$file${NC}"
        fi
    done

    if [ "$total_files" -eq 0 ]; then
        print_status "No files found with extension ${BLUE}$ext${NC} in the current directory. Exiting..."
        exit 1
    fi
}

confirm_conversion() {
    read -p "Found $total_files files to convert. Proceed? (y/n): " -n 1 confirm
    echo
    if [[ "$confirm" != "y" ]]; then
        print_status "Conversion cancelled by user."
        exit 0
    fi
}

convert_files() {
    for file in *."$ext"; do
        if [ -e "$file" ]; then
            current_file=$((current_file+1))
            print_status "${BLUE}Converting file ($current_file/$total_files)...${NC}"
            output_file="${file%.$ext}.mp3"
            ffmpeg -i "$file" -ab 320k -map_metadata 0 -id3v2_version 3 "$output_file" 2>/dev/null || {
                print_status "${RED}Error converting file: $file${NC}"
                print_status "Command used: ${BLUE}ffmpeg -i \"$file\" -ab 320k -map_metadata 0 -id3v2_version 3 \"$output_file\"${NC}"
                exit 2
            }
            print_status "${GREEN}Successfully converted: $file${NC}"
        fi
    done
}

delete_originals() {
    read -p "All done! Delete original files? (y/n): " -n 1 delete
    echo
    if [[ "$delete" == "y" ]]; then
        rm -f *."$ext"
        print_status "${GREEN}Original files deleted.${NC}"
    else
        print_status "${BLUE}Original files retained.${NC}"
    fi
}

main() {
    validate_ffmpeg
    get_extension
    count_files
    confirm_conversion
    convert_files
    delete_originals
}

main