How to remove example rows with script?

qwertz

Dear all,

after getting a little familiar in writing scripts I managed to add and remove examples (thanks to various posts in this forum).
But can anyone please help to explain how to remove example rows in a given example set?

Kind regards
Sachs

<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<process version="6.1.000">
  <context>
    <input/>
    <output/>
    <macros/>
  </context>
  <operator activated="true" class="process" compatibility="6.1.000" expanded="true" name="Process">
    <process expanded="true">
      <operator activated="true" class="generate_data" compatibility="6.1.000" expanded="true" height="60" name="Generate Data" width="90" x="45" y="30"/>
      <operator activated="true" class="execute_script" compatibility="6.1.000" expanded="true" height="76" name="Execute Script" width="90" x="179" y="30">
        <parameter key="script" value="ExampleSet es = input[ 0 ];&#10;&#10;//remove first row ?&#10;&#10;return input;"/>
      </operator>
      <connect from_op="Generate Data" from_port="output" to_op="Execute Script" to_port="input 1"/>
      <connect from_op="Execute Script" from_port="output 1" to_port="result 1"/>
      <portSpacing port="source_input 1" spacing="0"/>
      <portSpacing port="sink_result 1" spacing="0"/>
      <portSpacing port="sink_result 2" spacing="0"/>
    </process>
  </operator>
</process>