package java_meminfo; import java.io.IOException; import java.nio.file.Files; import java.nio.file.Path; import java.nio.file.Paths; import java.util.logging.Level; import java.util.logging.Logger; import java.util.stream.Stream; /** * * @web http://java-buddy.blogspot.com/ */ public class Java_meminfo { final static String FILE_MEMINFO = "/proc/meminfo"; public static void main(String[] args) { Stream<String> streamMemInfo = readFile(FILE_MEMINFO); streamMemInfo.forEach((line) -> { System.out.println(line); //split one line by whitespace/grouped whitespaces String[] oneLine = line.split("\\s+"); for (String ele : oneLine) { System.out.println(ele); } System.out.println("---"); }); } static private Stream<String> readFile(String filePath){ Path path = Paths.get(FILE_MEMINFO); Stream<String> fileLines = null; try { fileLines = Files.lines(path); } catch (IOException ex) { Logger.getLogger(Java_meminfo.class.getName()).log(Level.SEVERE, null, ex); } return fileLines; } }
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