Bulk Resize Images OSX

gistfile1.txt

initial_folder="." # You can use "." to target the folder in which you are running the script for example

all_images=$(find -E $initial_folder -iregex ".*\.(jpg|gif|png|jpeg|tiff)")

while read -r image_full_path; do
    filename=$(basename "$image_full_path");
    source_folder=$(dirname "$image_full_path");
    destination_folder=$source_folder;
    destination_full_path=$destination_folder"/"$filename;
    <<< "$destination_full_path"
    
    height=`sips --getProperty pixelHeight "$image_full_path" | sed -E "s/.*pixelHeight: ([0-9]+)/\1/g" | tail -1`
    width=`sips --getProperty pixelWidth "$image_full_path" | sed -E "s/.*pixelWidth: ([0-9]+)/\1/g" | tail -1`

    if [[ $height -gt 2200 || $width -gt 2200 ]]; then
        <<< "large file needs reducing"
        sips -Z 2200 "$image_full_path" --out "$destination_full_path";
    fi

done <<< "$all_images"