Compress all JPG's in a folder to another folder

compress-img.sh

# http://www.imagemagick.org/script/command-line-processing.php#geometry
# http://stackoverflow.com/questions/7261855/recommendation-for-compressing-jpg-files-with-imagemagick

# run from raw/
cd raw/

for pic in img/covers/*.jpg;
    do convert -strip -quality 80% -interlace Plane -gaussian-blur 0.05 -resize "1920>" "$pic" "../$pic";
done