imgfolders=(

	"00_contributions/FINAL/02_clara-images"
	"00_contributions/FINAL/05_rosemary-interview-images"
	"00_contributions/FINAL/06_michael-images"
)

exts=(jpg JPG png PNG jpeg JPEG)
exceptions=(

	"00_contributions/FINAL/06_michael-images/dbn.png"
	"00_contributions/FINAL/06_michael-images/06_psquare2.png"
	"00_contributions/FINAL/06_michael-images/10_background2.png"
	"00_contributions/FINAL/06_michael-images/11_img.png"
	"00_contributions/FINAL/06_michael-images/12_flag.png"
	"00_contributions/FINAL/06_michael-images/13_forthevoice.png"
	"00_contributions/FINAL/05_rosemary-interview-images/01.png"
	"00_contributions/FINAL/05_rosemary-interview-images/02.png"
	"00_contributions/FINAL/05_rosemary-interview-images/04.png"


)

for imgfolder in "${imgfolders[@]}"; do

	newimgdir="${imgfolder}/grayscale"

	mkdir -p $newimgdir

	for ext in "${exts[@]}"; do

	   for img in "$imgfolder/"*."$ext"; do 

	   		if [ -f $img ]; then

	   			contrast=false
		   		newimg="${newimgdir}/${img##*/}"

		   		echo $newimg processing...

		   		for exception in "${exceptions[@]}"; do

		   			if [ $exception == $img ]; then

		   				contrast=true
		   				break
		   			fi

		   		done


		   		if [ $contrast = true ]; then

		   			convert $img -colorspace Gray $newimg

		   		else
		   			convert $img -set colorspace Gray -separate -average $newimg
		   		fi

	   		fi
	   	
	   	done
	
	done

done