Refactor to allow ytfeed an installer

Makefile

@@ -11,7 +11,7 @@ clean:
 
 .PHONY: test
 test: menu
-	./menu <test
+	./menu <examples/installation-helper
 
 .PHONY: install
 install: menu

README

@@ -16,9 +16,6 @@ on its own with rustc(1). It's recommended to run the test program:
 
 ```sh
 make test
-
-# or test using menu(1)'s shebang
-./test
 ```
 
 

examples/Makefile.ytfeed

@@ -0,0 +1,28 @@
+PREFIX ?= /usr/local
+
+# Sorry, there might be a better way to do this but it would take more time
+# than typing it out.
+
+.PHONY: install
+install:
+	install -m 755 \
+			ytfeed \
+			ytfeed.aggregate \
+			ytfeed.browse-entry \
+			ytfeed.browse-feed \
+			ytfeed.browse-feeds \
+			ytfeed.dl \
+		$(PREFIX)/bin
+
+.PHONY: launcher
+launcher:
+	../menu <ytfeed.launcher
+
+.PHONY: uninstall
+uninstall:
+	rm -f $(PREFIX)/bin/ytfeed \
+		$(PREFIX)/bin/ytfeed.aggregate \
+		$(PREFIX)/bin/ytfeed.browse-entry \
+		$(PREFIX)/bin/ytfeed.browse-feed \
+		$(PREFIX)/bin/ytfeed.browse-feeds \
+		$(PREFIX)/bin/ytfeed.dl

examples/installation-helper

@@ -1,19 +1,23 @@
-#!./menu
+#!usr/bin/env menu
 
 $ echo Hello, world.
-
+# ^^^ Text   VVV Command
 	echo Hello, world.
 
 $ cat Makefile
-
+# And this is the Attributes line, which is yet unused.
 	cat Makefile
 
-$ less <menu.rs
+$ cat examples/installation-helper
+# Technically this line is skipped entirely by menu(1).
+	cat examples/installation-helper
 
+$ less <menu.rs
+# But comments will be allowed here, they'll start with hash.
 	less <menu.rs
 
 Remove menu and re-build it.
-
+# Don't start the attributes line with a tab; it'll break in later versions.
 	rm -f menu; make
 
 Install menu to /usr/local/ (assuming adequate permissions).
@@ -34,4 +38,4 @@ Uninstall menu from /usr/local (using sudo(8)).
 
 Open the ytfeed launcher.
 
-	make -C examples -f Makefile.ytfeed
+	make -C examples -f Makefile.ytfeed launcher

examples/ytfeed.launcher

@@ -0,0 +1,13 @@
+#!/usr/bin/env menu
+
+$ cat Makefile.ytfeed
+
+	cat Makefile.ytfeed
+
+$ make -f Makefile.ytfeed install
+
+	make -f Makefile.ytfeed install
+
+$ make -f Makefile.ytfeed uninstall
+
+	make -f Makefile.ytfeed uninstall