Я читаю в выводе оболочки и отображаю его на консоли. Я изменяю
line
с
String test = line.replaceAll("[\\\r\\\n]+","");
, который, по моему мнению, должен удалить все пустые строки, но вывод не изменяется .
public class tempapp{
public static void main(String[] args) throws IOException, InterruptedException {
String fileName = "temps.txt";
TimerTask task = new TimerTask() {
@Override
public void run(){
// task goes here
List<String> commands = new ArrayList<>();
//build command
commands.add("/usr/bin/sensors");
//args
//commands.add("");
System.out.println(commands);
ProcessBuilder pb = new ProcessBuilder(commands);
pb.directory(new File("/home/ethano"));
pb.redirectErrorStream(true);
Process process = null;
try {
process = pb.start();
} catch (IOException e) {
e.printStackTrace();
}
//Read output
StringBuilder out = new StringBuilder();
BufferedReader br = new BufferedReader(new InputStreamReader(process.getInputStream()));
String line = null, previous = null;
while (true) {
try {
if (!((line = br.readLine()) != null)) break;
} catch (IOException e) {
e.printStackTrace();
}
if (!line.equals(previous)) {
previous = line;
out.append(line).append('\n');
String test = line.replaceAll("[\\\r\\\n]+","");
System.out.println(test);
}
}
//Check result
try {
if (process.waitFor() == 0) {
//System.exit(0);
}
} catch (InterruptedException e) {
e.printStackTrace();
}
//weird termination
//System.err.println(commands);
//System.err.println(out.toString());
//System.exit(1);
}
};
Timer timer = new Timer();
long delay = 0;
long intervalPeriod = 4 * 1000;
//schedules task to run in interval
timer.scheduleAtFixedRate(task, delay, intervalPeriod);
}
}