# Dither images present in the blog, moving the existing images to filename_original.jpg

## Travel down the directory content/

find content/ \ 	# Find from the content directory
	-maxdepth 4 \ 	# Maximu depth of 4 dirs
	-type f \	# Find only files 
	-name "*.jpg" \ # Find only JPEG files
	-exec \		# Execute next lines
	cp {} {}.original && \						# Copy file and add .original to it's filename
	convert {} -colorspace GRAY -o ordered-dither o2x2 {}\ 		# Dither image
	jpegoptim {} -S 80 -t && \ 					# Optimize the jpeg file 
	;		# Finish