wk 44 additions

Makefile

@@ -9,6 +9,12 @@ Main.pdf: clean
 	$(PDF_CMD) Main.tex
 	$(PDF_CMD) Main.tex
 
-clean:
-	rm -f *.ps *.dvi *.aux *.toc *.idx *.ind *.ilg *.log *.out *.brf *.blg *.bbl Main.pdf
+
+clean: SHELL:=/bin/bash
+clean:
+	@rm_exts=('*.synctex.gz' '*.ps' '*.dvi' '*.aux' '*.toc' '*.idx' '*.ind' '*.ilg' '*.log' '*.out' '*.brf' '*.blg' '*.bbl'); \
+	for i in "$${rm_exts[@]}"; \
+		do \
+			find . -name "$$i" -exec rm {} \;; \
+		done \