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1 <tool id="random_lines1" name="Select random lines">
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2 <description>from a file</description>
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3 <command interpreter="python">randomlines.py $input $num_lines $out_file1</command>
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4 <inputs>
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5 <param name="num_lines" size="5" type="integer" value="1" label="Randomly select" help="lines"/>
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6 <param format="txt" name="input" type="data" label="from"/>
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7 </inputs>
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8 <outputs>
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9 <data format="input" name="out_file1" metadata_source="input"/>
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10 </outputs>
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11 <tests>
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12 <test>
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13 <param name="num_lines" value="65"/>
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14 <param name="input" value="1.bed"/>
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15 <output name="out_file1" file="1.bed"/>
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16 </test>
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17 </tests>
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18 <help>
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19
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20 **What it does**
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21
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22 This tool selects N random lines from a file, with no repeats, and preserving ordering.
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23
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24 -----
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25
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26 **Example**
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27
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28 Input File::
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29
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30 chr7 56632 56652 D17003_CTCF_R6 310 +
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31 chr7 56736 56756 D17003_CTCF_R7 354 +
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32 chr7 56761 56781 D17003_CTCF_R4 220 +
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33 chr7 56772 56792 D17003_CTCF_R7 372 +
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34 chr7 56775 56795 D17003_CTCF_R4 207 +
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35
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36 Selecting 2 random lines might return this::
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37
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38 chr7 56736 56756 D17003_CTCF_R7 354 +
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39 chr7 56775 56795 D17003_CTCF_R4 207 +
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40
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41 </help>
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42 </tool>
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