<tool id="get_headers" name="Check headers" version="1.1+galaxy0" profile="18.01">
  <description>of any set of flowtext files</description>
  <requirements>
    <requirement type="package" version="3.8.3">python</requirement>
  </requirements>
  <stdio>
    <exit_code range="1:" />
  </stdio>
  <command><![CDATA[
 python3 '$__tool_directory__/getHeaders.py' -o '${output_file}'
 #for $f in $input
    -i '${f}'
    -n '${f.name}'
 #end for
  ]]>
  </command>
  <inputs>
    <param format="flowtext,tabular,txt" name="input" type="data_collection" collection_type="list" label="Text files Collection"/>
  </inputs>
  <outputs>
    <data format="tabular" name="output_file" label="Headers of files in ${input.name}"/>
  </outputs>
  <tests>
    <test>
      <param name="input">
        <collection type="list">
          <element name="input1.txt" value="input1.txt"/>
          <element name="input2.txt" value="input2.txt"/>
          <element name="input3.txt" value="input3.txt"/>
        </collection>
      </param>
      <output name="output_file" file="output.tabular" lines_diff="4"/>
    </test>
  </tests>
  <help><![CDATA[
   This tool returns a table of the headers of a set of text files.

-----

**Input files**

This tool requires collections of txt, flowtext or tabular files as input.

**Output file**

The output file is a table listing the headers for each file.

-----

**Example**

*File1*::

   Marker1 Marker2 Marker3
   34      45      12
   33      65      10

*File2*::

   Marker4 Marker5 Marker3
   19      62      98
   12      36      58

*Output*::

   Index 1       2       3
   File1 Marker1 Marker2 Marker3
   File2 Marker4 Marker5 Marker3
  ]]>
  </help>
</tool>