convert_aif_to_flac.sh

#!/bin/bash

# Set the directory to start from. "." means the current directory.
START_DIR="."

# Use 'find' to locate all .aiff and .aif files, then pipe them to a 'while' loop.
# -type f: finds only files
# \( ... \): groups conditions
# -name "*.aiff" -o -name "*.aif": finds files ending in .aiff OR .aif
find "$START_DIR" -type f \( -name "*.aiff" -o -name "*.aif" \) | while read -r aiff_file; do

    # Create the new .flac filename by replacing the old extension
    # ${aiff_file%.*} removes the extension (e.g., "song.aiff" -> "song")
    flac_file="${aiff_file%.*}.flac"

    echo "---------------------------------"
    echo "Converting: $aiff_file"

    # Run the robust ffmpeg command
    # Using quotes ("$aiff_file") is vital to handle filenames with spaces
    ffmpeg -i "$aiff_file" -map 0 -map_metadata 0 -c:a flac -c:v copy "$flac_file"

    echo "Created: $flac_file"

    rm "$aiff_file"

    echo "Deleted: $aiff_file"

done

echo "---------------------------------"
echo "Batch conversion complete! 🎵"