<tool id="Show tail1" name="Select last">

  <description>lines from a dataset</description>

  <command interpreter="perl">tailWrapper.pl $input $lineNum $out_file1</command>

  <inputs>

    <param name="lineNum" size="5" type="integer" value="10" label="Select last" help="lines"/>

    <param format="txt" name="input" type="data" label="from"/>

  </inputs>

  <outputs>

    <data format="input" name="out_file1" metadata_source="input"/>

  </outputs>

  <tests>

    <test>

      <param name="lineNum" value="10"/>

      <param name="input" value="1.bed"/>

      <output name="out_file1" file="eq-showtail.dat"/>

    </test>

  </tests>

  <help>



**What it does**



This tool outputs specified number of lines from the **end** of a dataset



-----



**Example**



- Input File::



    chr7    57134   57154   D17003_CTCF_R7  356     -

    chr7    57247   57267   D17003_CTCF_R4  207     +

    chr7    57314   57334   D17003_CTCF_R5  269     +

    chr7    57341   57361   D17003_CTCF_R7  375     +

    chr7    57457   57477   D17003_CTCF_R3  188     +



- Show last two lines of above file. The result is::



    chr7    57341   57361   D17003_CTCF_R7  375     +

    chr7    57457   57477   D17003_CTCF_R3  188     +



  </help>

</tool>