31 lines
994 B
Java
31 lines
994 B
Java
// standardio/Redirecting.java
|
|
// ©2016 MindView LLC: see Copyright.txt
|
|
// We make no guarantees that this code is fit for any purpose.
|
|
// Visit http://mindviewinc.com/Books/OnJava/ for more book information.
|
|
// Demonstrates standard I/O redirection.
|
|
import java.io.*;
|
|
|
|
public class Redirecting {
|
|
public static void main(String[] args)
|
|
throws IOException {
|
|
PrintStream console = System.out;
|
|
BufferedInputStream in = new BufferedInputStream(
|
|
new FileInputStream("Redirecting.java"));
|
|
try(PrintStream out = new PrintStream(
|
|
new BufferedOutputStream(
|
|
new FileOutputStream("Redirecting.txt")))) {
|
|
System.setIn(in);
|
|
System.setOut(out);
|
|
System.setErr(out);
|
|
BufferedReader br = new BufferedReader(
|
|
new InputStreamReader(System.in));
|
|
String s;
|
|
while((s = br.readLine()) != null)
|
|
System.out.println(s);
|
|
out.close(); // Remember this!
|
|
}
|
|
System.setOut(console);
|
|
}
|
|
}
|
|
/* Output: (None) */
|