Better error handling

scripts/build

@@ -5,10 +5,25 @@ os.execute("cargo build --release")
 os.execute("cp target/release/pack .")
 print("Done!\n\n")
 
-print("Setup environment? (requires root) [Y/n]:")
+stdo = io.open("/dev/stdout", "w")
+stdo:write("Setup environment? (requires root) [Y/n]: ")
+io.close(stdo)
 input = io.read()
-if input == "y" then
+if input ~= "n" then
 	os.execute("scripts/setup.sh")
 else
 	print("Goodbye!\n")
 end
+
+print()
+
+print("Add /usr/pack/bin/ to path? [Y/n]:")
+input = io.read()
+if input ~= "n" then
+	print("Enter the name of the file to append to (full path):")
+	file = io.read()
+	f = io.open(file, "a")
+	f:write("export PATH=$PATH:/usr/pack/bin\n")
+else
+	print("Goodbye!\n")
+end