root/galaxy-central/tools/filters/condense_characters.xml

<tool id="Condense characters1" name="Condense">
  <description>consecutive characters</description>
  <command interpreter="perl">condense_characters.pl $input $character $out_file1</command>
  <inputs>
<!--    <display>condense all consecutive $character from $input</display> -->
    <param name="character" type="select" label="Condense all consecutive">
      <option value="T">Tabs</option>
      <option value="Sp">Spaces</option>
      <option value="Dt">Dots</option>
      <option value="C">Commas</option>
      <option value="D">Dashes</option>
      <option value="U">Underscores</option>
      <option value="P">Pipes</option>
    </param>
    <param format="txt" name="input" type="data" label="in this Query"/>
  </inputs>
  <outputs>
    <data format="input" name="out_file1" metadata_source="input" />
  </outputs>
  <tests>
    <test>
      <param name="character" value="T"/>
      <param name="input" value="1.bed"/>
      <output name="out_file1" file="eq-condense.dat"/>
    </test>
  </tests>
  <help>

**What it does**

This tool condenses all consecutive characters of a specified type.

-----

**Example**

- Input file::

    geneX,,,10,,,,,20
    geneY,,5,,,,,12,15,9,

- Condense all consecutive commas. The above file will be converted into::

    geneX,10,20
    geneY,5,12,15,9

</help>
</tool>