import static java.nio.file.attribute.PosixFilePermission.GROUP_READ;
import static java.nio.file.attribute.PosixFilePermission.OWNER_READ;
import static java.nio.file.attribute.PosixFilePermission.OWNER_WRITE;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.nio.file.attribute.PosixFileAttributes;
import java.nio.file.attribute.PosixFilePermission;
import java.nio.file.attribute.PosixFilePermissions;
import java.util.Set;
public class Test {
public static void main(String[] args) throws Exception {
Path profile = Paths.get("/user/Admin/.profile");
PosixFileAttributes attrs = Files.readAttributes(profile,
PosixFileAttributes.class);
Set<PosixFilePermission> posixPermissions = attrs.permissions();
posixPermissions.clear();
String owner = attrs.owner().getName();
String perms = PosixFilePermissions.toString(posixPermissions);
System.out.format("%s %s%n", owner, perms);
posixPermissions.add(OWNER_READ);
posixPermissions.add(GROUP_READ);
posixPermissions.add(OWNER_READ);
posixPermissions.add(OWNER_WRITE);
Files.setPosixFilePermissions(profile, posixPermissions);
}
}
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