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<?xml version="1.0"?>
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<!--
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###################################################
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##Null Sink
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###################################################
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 -->
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<block>
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        <name>Null Sink</name>
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        <key>gr_null_sink</key>
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        <import>from gnuradio import gr</import>
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        <make>gr.null_sink($type.size*$vlen)</make>
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        <param>
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                <name>Input Type</name>
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                <key>type</key>
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                <type>enum</type>
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                <option>
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                        <name>Complex</name>
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                        <key>complex</key>
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                        <opt>size:gr.sizeof_gr_complex</opt>
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                </option>
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                <option>
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                        <name>Float</name>
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                        <key>float</key>
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                        <opt>size:gr.sizeof_float</opt>
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                </option>
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                <option>
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                        <name>Int</name>
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                        <key>int</key>
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                        <opt>size:gr.sizeof_int</opt>
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                </option>
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                <option>
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                        <name>Short</name>
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                        <key>short</key>
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                        <opt>size:gr.sizeof_short</opt>
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                </option>
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                <option>
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                        <name>Byte</name>
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                        <key>byte</key>
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                        <opt>size:gr.sizeof_char</opt>
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                </option>
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        </param>
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        <param>
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                <name>Vec Length</name>
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                <key>vlen</key>
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                <value>1</value>
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                <type>int</type>
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        </param>
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        <check>$vlen &gt; 0</check>
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        <sink>
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                <name>in</name>
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                <type>$type</type>
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                <vlen>$vlen</vlen>
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        </sink>
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</block>