view easyjoin.xml @ 0:ec66f9d90ef0 draft

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<tool id="unixtools_easyjoin_tool" name="Join" version="0.1.1">
    <requirements>
        <requirement type="package" version="8.21">gnu_coreutils</requirement>
    </requirements>
    <description>two files</description>
    <command interpreter="perl">easyjoin $jointype
        -t '	'
        $header
        -e '$empty_string_filler'
        -o auto
        $ignore_case
        -1 '$column1'
        -2 '$column2'
        "$input1" "$input2"
        &gt; '$output'
    </command>

    <inputs>
        <param format="txt" name="input1" type="data" label="1st file" />
        <param name="column1" label="Column to use from 1st file" type="data_column" data_ref="input1" accept_default="true" />

        <param format="txt" name="input2" type="data" label="2nd File" />
        <param name="column2" label="Column to use from 2nd file" type="data_column" data_ref="input2" accept_default="true" />

        <param name="jointype" type="select" label="Output lines appearing in">
            <option value=" ">BOTH 1st &amp; 2nd file.</option>
            <option value="-v 1">1st but not in 2nd file. [-v 1]</option>
            <option value="-v 2">2nd but not in 1st file. [-v 2]</option>
            <option value="-a 1">both 1st &amp; 2nd file, plus unpairable lines from 1st file. [-a 1]</option>
            <option value="-a 2">both 1st &amp; 2nd file, plus unpairable lines from 2st file. [-a 2]</option>
            <option value="-a 1 -a 2">All Lines [-a 1 -a 2]</option>
            <option value="-v 1 -v 2">All unpairable lines [-v 1 -v 2]</option>
        </param>

        <param name="header" type="boolean" checked="false" truevalue="--header" falsevalue="" label="First line is a header line" help="Use if first line contains column headers. It will not be sorted." />

        <param name="ignore_case" type="boolean" checked="false" truevalue="-i" falsevalue="" label="Ignore case" help="Sort and Join key column values regardless of upper/lower case letters." />

        <param name="empty_string_filler" type="text" size="20" value="0" label="Value to put in unpaired (empty) fields">
            <sanitizer>
                <valid initial="string.printable">
                    <remove value="&apos;"/>
                </valid>
            </sanitizer>
        </param>

  </inputs>
  <outputs>
    <data name="output" format="input" metadata_source="input1"/>
  </outputs>

<help>
**What it does**

This tool joins two tabular files based on a common key column.

-----

**Example**

**First file**::

    Fruit	Color
    Apple	red
    Banana	yellow
    Orange	orange
    Melon	green

**Second File**::

    Fruit	Price
    Orange	7
    Avocado	8
    Apple	4
    Banana	3

**Joining** both files, using **key column 1** and a **header line**, will return::

    Fruit	Color	Price
    Apple	red	4
    Avocado	.	8
    Banana	yellow	3
    Melon	green	.
    Orange	orange	7

# Input files need not be sorted.
# The header line (**Fruit  Color  Price**) was joined and kept as first line.
# Missing values ( Avocado's color, missing from the first file ) are replaced with a period character.

-----

*easyjoin* was written by A. Gordon

</help>
</tool>