org.apache.hadoop.fs
Class FsShell

java.lang.Object
  org.apache.hadoop.conf.Configured
      org.apache.hadoop.fs.FsShell

All Implemented Interfaces:

Configurable, Tool

Direct Known Subclasses:

DFSAdmin

public class FsShell
extends Configured
implements Tool

Provide command line access to a FileSystem.

Field Summary

static SimpleDateFormat	dateForm
protected FileSystem	fs
protected static SimpleDateFormat	modifFmt

Constructor Summary

FsShell()

FsShell(Configuration conf)

Method Summary

static String	byteDesc(long len) Return an abbreviated English-language desc of the byte length
void	close()
Path	getCurrentTrashDir() Returns the Trash object associated with this shell.
protected void	init()
static String	limitDecimalTo2(double d)
static void	main(String[] argv) main() has some simple utility methods
int	run(String[] argv) run

Methods inherited from class org.apache.hadoop.conf.Configured

getConf, setConf

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.hadoop.conf.Configurable

getConf, setConf

Field Detail

fs

protected FileSystem fs

dateForm

public static final SimpleDateFormat dateForm

modifFmt

protected static final SimpleDateFormat modifFmt

Constructor Detail

FsShell

public FsShell()

FsShell

public FsShell(Configuration conf)

Method Detail

init

protected void init()
             throws IOException

Throws:

IOException

getCurrentTrashDir

public Path getCurrentTrashDir()

Returns the Trash object associated with this shell.

byteDesc

public static String byteDesc(long len)

Return an abbreviated English-language desc of the byte length

limitDecimalTo2

public static String limitDecimalTo2(double d)

run

public int run(String[] argv)
        throws Exception

run

Specified by:

run in interface Tool

Parameters:

argv - command specific arguments.

Returns:

exit code.

Throws:

Exception

close

public void close()
           throws IOException

Throws:

IOException

main

public static void main(String[] argv)
                 throws Exception

main() has some simple utility methods

Throws:

Exception