Truncate downloaded macOS dynamic wallpapers to save disk space (20G) and avoid them being downloaded again

truncate_wallpapers.sh

#!/bin/bash

# Truncate downloaded macOS dynamic wallpapers to save disk space (20G) and avoid them being downloaded again

TARGET_DIR="/Library/Application Support/com.apple.idleassetsd/Customer/4KSDR240FPS"

# Check if directory exists
if [ ! -d "$TARGET_DIR" ]; then
    echo "Error: Directory '$TARGET_DIR' does not exist."
    exit 1
fi

# Find and replace all .mov files with 0-byte files
find "$TARGET_DIR" -type f -name "*.mov" -print0 | while IFS= read -r -d '' file; do
    echo "Truncating $file"
    echo -n | sudo tee "$file"
done

echo "Done."