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43 lines
1.2 KiB
XML
43 lines
1.2 KiB
XML
<tool id="Show tail1" name="Select last">
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<description>lines from a dataset</description>
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<command interpreter="perl">tailWrapper.pl $input $lineNum $out_file1</command>
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<inputs>
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<param name="lineNum" size="5" type="integer" value="10" label="Select last" help="lines"/>
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<param format="txt" name="input" type="data" label="from"/>
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</inputs>
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<outputs>
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<data format="input" name="out_file1" metadata_source="input"/>
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</outputs>
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<tests>
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<test>
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<param name="lineNum" value="10"/>
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<param name="input" value="1.bed"/>
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<output name="out_file1" file="eq-showtail.dat"/>
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</test>
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</tests>
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<help>
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**What it does**
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This tool outputs specified number of lines from the **end** of a dataset
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-----
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**Example**
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- Input File::
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chr7 57134 57154 D17003_CTCF_R7 356 -
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chr7 57247 57267 D17003_CTCF_R4 207 +
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chr7 57314 57334 D17003_CTCF_R5 269 +
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chr7 57341 57361 D17003_CTCF_R7 375 +
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chr7 57457 57477 D17003_CTCF_R3 188 +
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- Show last two lines of above file. The result is::
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chr7 57341 57361 D17003_CTCF_R7 375 +
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chr7 57457 57477 D17003_CTCF_R3 188 +
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</help>
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</tool>
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