osyo-manga · September 16, 2016 09:33
diff --git a/preprocessor.sh b/preprocessor.sh
 ```shell
 $ cat main.cpp
 #define PI 3.14

 int
 main(){
 	float f = PI;
 	return 0;
 }

 $ g++ -E main.cpp
 int
 main(){
 float f = 3.14;
 return 0;
 }
 ```
	```shell
	$ cat main.cpp
	#define PI 3.14

	int
	main(){
	float f = PI;
	return 0;
	}

	$ g++ -E main.cpp
	int
	main(){
	float f = 3.14;
	return 0;
	}
	```