optimize images

optimize_images.sh

#!/bin/bash

# Check if the required arguments were provided
if [ $# -lt 2 ]; then
    echo "Usage: $0 resize_percentage compression_quality"
    echo "Example: $0 50 75"
    exit 1
fi

RESIZE_PERCENT=$1
COMPRESSION_QUALITY=$2
echo "Starting image optimization with $RESIZE_PERCENT% resize and $COMPRESSION_QUALITY% compression quality."

# Function to process a single image
process_image() {
    local img=$1
    local dir=$(dirname "$img")
    local optimized_folder="$dir/optimized"
    local base_name=$(basename "$img")

    # Check and create an 'optimized' folder if it doesn't exist
    if [ ! -d "$optimized_folder" ]; then
        echo "Creating optimized folder in $dir"
        mkdir -p "$optimized_folder"
    fi

    # Convert HEIC to JPG if necessary
    if [[ "$img" == *.heic ]] || [[ "$img" == *.HEIC ]]; then
        echo "Converting $img to JPG..."
        local jpg_img="${img%.*}.jpg"
        convert "$img" "$jpg_img"
        img="$jpg_img"
        base_name=$(basename "$img")
    fi

    # Resize and compress the image
    echo "Processing $img..."
    convert "$img" -auto-orient -resize "$RESIZE_PERCENT%" -quality "$COMPRESSION_QUALITY%" "$optimized_folder/$base_name"
    echo "Saved optimized image as $optimized_folder/$base_name"
}

export -f process_image
export RESIZE_PERCENT
export COMPRESSION_QUALITY

# Recursively find images and process them
find . -type f \( -iname "*.jpg" -o -iname "*.jpeg" -o -iname "*.png" -o -iname "*.heic" -o -iname "*.HEIC" \) -exec bash -c 'process_image "$0"' {} \;

echo "Image optimization complete."