echo "digraph {"
echo ""
cat partial-cleaner.txt \
	| sed s/"\""/" "/g \
	| sed s/"'"/" "/g \
	| sed s/" "/" -> "/g \
	| tr --delete "\n" \
	| sed s/" ->  -> "/" -> "/g \
	| sed s/"^ -> "//g \
	| sed s/" -> $"//g
echo ""
echo ""
echo "}"

# tr: translate or delete characters
# sed: a find and replace tool

# $ sed s/search/replace/options
# this is the main syntax of sed's s command

# s: stands for substitute
# g = replace all matches