programmieren-1-java/uebungen/u24/DoubleSpace.java

33 lines
923 B
Java

import java.io.*;
import java.util.*;
/**
* Klasse zum duplizieren von Leerzeilen in Textdateien
*/
public class DoubleSpace {
public static void main(String[] args) throws FileNotFoundException {
doubleSpace("test.txt","out.txt");
}
/**
* Duplizierzt Leerzeilen bzw Zeilenumbrueche der
* Datei inputFileName und speichert das Ergebnis in
* outputFileName ab
*/
public static void doubleSpace(String inputFileName, String outputFileName) throws FileNotFoundException {
Scanner input = new Scanner(new File(inputFileName));
PrintStream output = new PrintStream(new File(outputFileName));
if (input.hasNextLine()) {
output.println(input.nextLine());
}
while (input.hasNextLine()) {
output.println();
output.println(input.nextLine());
}
output.close();
input.close();
}
}