ps-to-png.sh

# Recursively find EPS files and convert them to PDF
find . -type f -name '*.eps' -print0 | while IFS= read -r -d '' file; do
	pstopdf "$file"
done

# Recursively find PDF files and convert them to EPS
find . -type f -name '*.pdf' -print0 | while IFS= read -r -d '' file; do
	sips -s format png --deleteColorManagementProperties --out "${file}.png" "$file"
done