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4
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1 <tool id="tp_head_tool" name="Select first" version="@BASE_VERSION@.0">
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0
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2 <description>lines from a dataset (head)</description>
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4
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3 <macros>
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4 <import>macros.xml</import>
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5 </macros>
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6 <expand macro="requirements" />
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7 <version_command>head --version | head -n 1</version_command>
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8 <command>
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9 <![CDATA[
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10 head
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11 --lines
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12 $complement$count
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13 '${infile}'
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14 > '${outfile}'
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15 ]]>
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16 </command>
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17 <inputs>
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18 <param name="infile" type="data" format="txt" label="File to select" />
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19 <param name="complement" type="select" label="Operation">
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20 <option value="">Keep first lines</option>
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21 <option value="-">Remove last lines</option>
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22 </param>
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23 <param name="count" type="integer" size="5" value="10"
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24 label="Number of lines" help="These will be kept/discarded depending on 'operation'. (--lines)" />
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25 </inputs>
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26 <outputs>
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6
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27 <data name="outfile" format_source="infile" metadata_source="infile"/>
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28 </outputs>
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1
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29 <tests>
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30 <test>
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31 <param name="count" value="10"/>
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32 <param name="infile" value="1.bed"/>
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33 <output name="outfile" file="head_results1.bed"/>
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1
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34 </test>
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35 </tests>
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36 <help>
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37 <![CDATA[
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38 **What it does**
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39
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40 This tool outputs specified number of lines from the **beginning** of a dataset
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41
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42 -----
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43
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44 **Example**
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45
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46 Selecting 2 lines from this::
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47
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48 chr7 56632 56652 D17003_CTCF_R6 310 +
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49 chr7 56736 56756 D17003_CTCF_R7 354 +
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50 chr7 56761 56781 D17003_CTCF_R4 220 +
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51 chr7 56772 56792 D17003_CTCF_R7 372 +
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52 chr7 56775 56795 D17003_CTCF_R4 207 +
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53
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54 will produce::
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55
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56 chr7 56632 56652 D17003_CTCF_R6 310 +
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57 chr7 56736 56756 D17003_CTCF_R7 354 +
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58
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59 @REFERENCES@
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60 ]]>
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61 </help>
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62 </tool>
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