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## weka.core.converters
Class ArffSaver

    java.lang.Object
      weka.core.converters.AbstractSaver
          weka.core.converters.AbstractFileSaver
              weka.core.converters.ArffSaver

All Implemented Interfaces:
  java.io.Serializable, CapabilitiesHandler, BatchConverter, FileSourcedConverter, IncrementalConverter, Saver, EnvironmentHandler, OptionHandler, RevisionHandler

    public class ArffSaver

extends AbstractFileSaver
implements BatchConverter, IncrementalConverter

Writes to a destination in arff text format.

Valid options are:

     -i <the input file>
     The input file

     -o <the output file>
     The output file

Version:
  $Revision: 5953 $
Author:
  Stefan Mutter (mutter@cs.waikato.ac.nz)
See Also:
  `Saver`, Serialized Form

Field Summary

Fields inherited from interface weka.core.converters.Saver
`BATCH, INCREMENTAL, NONE`

Constructor Summary
`ArffSaver()` Constructor

Method Summary
`Capabilities` | `getCapabilities()` Returns the Capabilities of this saver.
`java.lang.String` | `getFileDescription()` Returns a description of the file type.
`java.lang.String` | `getRevision()` Returns the revision string.
`java.lang.String` | `globalInfo()` Returns a string describing this Saver
`static void` | `main(java.lang.String[] args)` Main method.
`void` | `resetOptions()` Resets the Saver
`void` | `writeBatch()` Writes a Batch of instances
`void` | `writeIncremental(Instance inst)` Saves an instances incrementally.

Methods inherited from class weka.core.converters.AbstractFileSaver
`cancel, filePrefix, getFileExtension, getFileExtensions, getOptions, getUseRelativePath, getWriter, listOptions, resetWriter, retrieveDir, retrieveFile, runFileSaver, setDestination, setDestination, setDir, setDirAndPrefix, setEnvironment, setFile, setFilePrefix, setOptions, setUseRelativePath, useRelativePathTipText`

Methods inherited from class weka.core.converters.AbstractSaver
`getInstances, getWriteMode, resetStructure, setInstances, setRetrieval, setStructure`

Methods inherited from class java.lang.Object
`equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### ArffSaver

    public ArffSaver()

  Constructor

Method Detail

### globalInfo

    public java.lang.String globalInfo()

  Returns a string describing this Saver

  Returns:
    a description of the Saver suitable for displaying in the explorer/experimenter gui

### getFileDescription

    public java.lang.String getFileDescription()

  Returns a description of the file type.

  Specified by:
    `getFileDescription` in interface `FileSourcedConverter`
  Specified by:
    `getFileDescription` in class `AbstractFileSaver`
  Returns:
    a short file description

### resetOptions

    public void resetOptions()

  Resets the Saver

  Overrides:
    `resetOptions` in class `AbstractFileSaver`

### getCapabilities

    public Capabilities getCapabilities()

  Returns the Capabilities of this saver.

  Specified by:
    `getCapabilities` in interface `CapabilitiesHandler`
  Overrides:
    `getCapabilities` in class `AbstractSaver`
  Returns:
    the capabilities of this object
  See Also:
    `Capabilities`

### writeIncremental

    public void writeIncremental(Instance inst)
                          throws java.io.IOException

  Saves an instances incrementally. Structure has to be set by using the setStructure() method or setInstances() method.

  Specified by:
    `writeIncremental` in interface `Saver`
  Overrides:
    `writeIncremental` in class `AbstractSaver`
  Parameters:
    `inst` - the instance to save
  Throws:
    `java.io.IOException` - throws IOEXception if an instance cannot be saved incrementally.

### writeBatch

    public void writeBatch()
                    throws java.io.IOException

  Writes a Batch of instances

  Specified by:
    `writeBatch` in interface `Saver`
  Specified by:
    `writeBatch` in class `AbstractSaver`
  Throws:
    `java.io.IOException` - throws IOException if saving in batch mode is not possible

### getRevision

    public java.lang.String getRevision()

  Returns the revision string.

  Specified by:
    `getRevision` in interface `RevisionHandler`
  Returns:
    the revision

### main

    public static void main(java.lang.String[] args)

  Main method.

  Parameters:
    `args` - should contain the options of a Saver.

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