<tool id="editheader" name="Edit Header" version="0.2">
  <description></description>
    <command interpreter="sh">
      editheader.sh "$header" $input_file $output_file $replace
    </command>
  <inputs>
    <param name="input_file" type="data" format="tabular" label="File (tabular)"/>
    <param name="header" type="text" size='120' value="" label="Header line (tab-delimited)"> 
      <sanitizer sanitize="False"/>
    </param>
    <param name="replace" type="boolean" truevalue="1" falsevalue="0" checked="False" label="Replace the first line" />
 </inputs>
  <outputs>
    <data name="output_file" type="data" format="tabular" label="${tool.name} on ${on_string}"/>
  </outputs>
  <help>

**Header line**

Use '\\t' to input tab. Example:

    col1\\tcol2\\tcol3

Or, copy and paste tab-delimited text (from Excel, etc.)

	col1	col2	col3

**Replace the first line**

Check to replace the first line of the original file (= typically, the old header line) with the new header line.

  </help>
</tool>