hadoop utilities : Shell

gistfile1.java

import org.apache.hadoop.util.Shell.ShellCommandExecutor;

String[] cmd =    { "ls", "/usr" };
ShellCommandExecutor shell = new ShellCommandExecutor(cmd);
shell.execute();
System.out.println("* shell exit code : " + shell.getExitCode());
System.out.println("* shell output: \n" + shell.getOutput());

/* output:
* shell exit code : 0
* shell output: 
X11
X11R6
bin
etc
include
lib
libexec
llvm-gcc-4.2
local
sbin
share
standalone
*/