30 lines
976 B
Java
30 lines
976 B
Java
// standardio/Redirecting.java
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// (c)2016 MindView LLC: see Copyright.txt
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// We make no guarantees that this code is fit for any purpose.
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// Visit http://mindviewinc.com/Books/OnJava/ for more book information.
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// Demonstrates standard I/O redirection
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import java.io.*;
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public class Redirecting {
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public static void
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main(String[] args) throws IOException {
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PrintStream console = System.out;
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try(BufferedInputStream in = new BufferedInputStream(
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new FileInputStream("Redirecting.java"));
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PrintStream out = new PrintStream(
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new BufferedOutputStream(
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new FileOutputStream("Redirecting.txt")))) {
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System.setIn(in);
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System.setOut(out);
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System.setErr(out);
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BufferedReader br = new BufferedReader(
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new InputStreamReader(System.in));
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String s;
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while((s = br.readLine()) != null)
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System.out.println(s);
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out.close(); // Remember this!
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}
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System.setOut(console);
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}
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}
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