public void execute(Environment env, CommandLine cmd, ConsoleReader reader) {
FileSystem hdfs = (FileSystem) env.getValue(Constants.HDFS);
String wd = hdfs.getWorkingDirectory().toString();
if (cmd.hasOption("l")) {
log(cmd, wd);
} else {
log(cmd, wd.substring(env.getProperty(Constants.HDFS_URL).length()));
}
FSUtil.prompt(env);
}