Improve Makefile

Makefile

@@ -10,10 +10,23 @@ rmdir:
 	@rmdir $(path) 2>&-; :
 
 install: mkdir
-	@$(find) . -maxdepth 1 -type f -executable -exec basename {} \; | while read -r line; do ln -vs $$(realpath -- $$line) $(path)/$$line 2>&-; done; true
-
-rmlinks: 
-	@$(find) . -maxdepth 1 -type f -executable -exec basename {} \; | xargs -IF rm -fv $(path)/F
+	@$(find) . \
+		-maxdepth 1 \
+		-type f \
+		-executable \
+		-exec basename {} \; \
+	| while read -r line; do \
+		ln -s $$(realpath -- $$line) $(path)/$$line 2>&-; \
+	done; \
+	true
+
+rmlinks:
+	@$(find) . \
+		-maxdepth 1 \
+		-type f \
+		-executable \
+		-exec basename {} \; \
+	| xargs -IF rm -fv $(path)/F
 
 uninstall: rmlinks rmdir