check:
#	echo "first, files which are on local, not remote "
#	rsync --dry-run -rvnc --delete ./ richmond@spiff.rit.edu:classes_www/phys283
	rsync -rin --ignore-existing ./ richmond@spiff.rit.edu:classes_www/phys283/   |sed -e 's/^[^ ]* /L             /'
#	echo "next, files which are on remote, not local "
	rsync -rin --ignore-existing richmond@spiff.rit.edu:classes_www/phys283/ ./  |sed -e 's/^[^ ]* /R             /'
#	echo "finally, files which are on both, but have differences "
	rsync -rin --existing ./ richmond@spiff.rit.edu:classes_www/phys283/ |sed -e 's/^/X /'


to_spiff:
	rsync -rtv  ./ richmond@spiff.rit.edu:classes_www/phys283/  


from_spiff:
	rsync -rtv  richmond@spiff.rit.edu:classes_www/phys283 ./