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## org.apache.tools.ant.filters
Class UniqFilter

    java.lang.Object
      org.apache.tools.ant.ProjectComponent
          org.apache.tools.ant.filters.TokenFilter.ChainableReaderFilter
              org.apache.tools.ant.filters.UniqFilter

All Implemented Interfaces:
  java.lang.Cloneable, ChainableReader, TokenFilter.Filter

    public class UniqFilter

extends TokenFilter.ChainableReaderFilter

Like the Unix uniq(1) command, only returns tokens that are different from their ancestor token.

This filter is probably most useful if used together with a sortfilter.

Since:
  Ant 1.8.0

Field Summary

Fields inherited from class org.apache.tools.ant.ProjectComponent
`description, location, project`

Constructor Summary
`UniqFilter()`

Method Summary
`java.lang.String` | `filter(java.lang.String string)` filter and/of modify a string

Methods inherited from class org.apache.tools.ant.filters.TokenFilter.ChainableReaderFilter
`chain, setByLine`

Methods inherited from class org.apache.tools.ant.ProjectComponent
`clone, getDescription, getLocation, getProject, log, log, setDescription, setLocation, setProject`

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

Constructor Detail

### UniqFilter

    public UniqFilter()

Method Detail

### filter

    public java.lang.String filter(java.lang.String string)

  Description copied from interface: `TokenFilter.Filter`
  filter and/of modify a string

  Parameters:
    `string` - the string to filter
  Returns:
    the modified string or null if the string did not pass the filter

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