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joshua-chavanne/optimize-images.sh

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Created August 14, 2018 17:57
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  1. @rkbhochalya rkbhochalya created this gist May 16, 2017.
    13 changes: 13 additions & 0 deletions optimize-images.sh
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    # Recursively optimize PNG and JPEG images using convert command
    #
    # `convert` is part of ImageMagick (http://www.imagemagick.org/). You will need to install it first.
    #
    # Author: Rajendra Kumar Bhochalya (http://rkb.io)
    #
    # @see https://developers.google.com/speed/docs/insights/OptimizeImages

    # Optimize all JPEG images in current directory and subdirectories
    find . -name "*.jpg" -exec convert "{}" -sampling-factor 4:2:0 -strip -quality 85 -interlace JPEG -colorspace RGB "{}" \; -exec echo "{}" \;

    # Optimize all PNG images in current directory and subdirectories
    find . -name "*.png" -exec convert "{}" -strip "{}" \; -exec echo "{}" \;