batch resize and optimize images

resize_images.sh

#!/bin/bash

# Check if an argument is provided
if [ "$#" -ne 1 ]; then
    echo "Usage: $0 /path/to/image/directory"
    exit 1
fi

# Define the maximum width, height, and quality
MAX_WIDTH=1920
MAX_HEIGHT=1080
QUALITY=85  # Adjust quality percentage (100 = highest quality)

# Directory containing images, passed as an argument
IMAGE_DIR=$1

# Loop through all jpg and png images in the directory and its subdirectories
find "$IMAGE_DIR" -type f \( -iname '*.jpg' -o -iname '*.png' \) | while read -r img; do
    # Resize images over the maximum dimensions and compress
    mogrify -resize "${MAX_WIDTH}x${MAX_HEIGHT}>" -quality $QUALITY $img
done