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galaxy/tools/fasta_tools/tabular_to_fasta.xml
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<tool id="tab2fasta" name="Tabular-to-FASTA" version="1.1.0">
<description>converts tabular file to FASTA format</description>
<command interpreter="python">tabular_to_fasta.py $input $title_col $seq_col $output </command>
<inputs>
<param name="input" type="data" format="tabular" label="Tab-delimited file"/>
<param name="title_col" type="data_column" data_ref="input" multiple="True" numerical="False" label="Title column(s)" help="Multi-select list - hold the appropriate key while clicking to select multiple columns"/>
<param name="seq_col" type="data_column" data_ref="input" numerical="False" label="Sequence column" />
</inputs>
<outputs>
<data name="output" format="fasta"/>
</outputs>
<tests>
<test>
<param name="input" value="solexa.tabular" />
<param name="title_col" value="1,2,3,4" />
<param name="seq_col" value="5" />
<output name="output" file="tabular_to_fasta_out1.fasta" />
</test>
</tests>
<help>
**What it does**
Converts tab delimited data into FASTA formatted sequences.
-----------
**Example**
Suppose this is a sequence file produced by Illumina (Solexa) sequencer::
5 300 902 419 GACTCATGATTTCTTACCTATTAGTGGTTGAACATC
5 300 880 431 GTGATATGTATGTTGACGGCCATAAGGCTGCTTCTT
Selecting **c3** and **c4** as the **Title column(s)** and **c5** as the **Sequence column** will result in::
&gt;902_419
GACTCATGATTTCTTACCTATTAGTGGTTGAACATC
&gt;880_431
GTGATATGTATGTTGACGGCCATAAGGCTGCTTCTT
</help>
</tool>