wengao wrote:
>  xml ed -i <xpath> -t elem -n Value -v <value1> >                           -t elem -n Value -v <value2> >                           -t elem -n Value -v <value3> sample.xml
> 
> 
> There was a complaint about the second one: I/O warning : failed to load 
> external entity "elem"
> 
> Any thoughts?
> 
> Thanks,
> Wengao 
> 
> 

It looks like you have to repeat the full syntax, see below. 

Hermann

$ cat table.xml # sample file from xmlstarlet manual

<?xml version="1.0"?>
<xml>
  <table>
    <rec id="1">
      <numField>123</numField>
      <stringField>String Value</stringField>
    </rec>
    <rec id="2">
      <numField>346</numField>
      <stringField>Text Value</stringField>
    </rec>
    <rec id="3">
      <numField>-23</numField>
      <stringField>stringValue</stringField>
    </rec>
  </table>
</xml>

$ xmlstarlet ed -i /xml/table/rec/numField -t elem -n Value -v value1 -i /xml/table/rec/numField -t elem -n Value -v value2 -i /xml/table/rec/numField -t elem -n Value -v value3 table.xml

<?xml version="1.0"?>
<xml>
  <table>
    <rec id="1">
      <Value>value1</Value>
      <Value>value2</Value>
      <Value>value3</Value>
      <numField>123</numField>
      <stringField>String Value</stringField>
    </rec>
    <rec id="2">
      <Value>value1</Value>
      <Value>value2</Value>
      <Value>value3</Value>
      <numField>346</numField>
      <stringField>Text Value</stringField>
    </rec>
    <rec id="3">
      <Value>value1</Value>
      <Value>value2</Value>
      <Value>value3</Value>
      <numField>-23</numField>
      <stringField>stringValue</stringField>
    </rec>
  </table>
</xml>