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Redirecting.java
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// standardio/Redirecting.java
// (c)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;
try(BufferedInputStream in = new BufferedInputStream(
new FileInputStream("Redirecting.java"));
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);
}
}