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    Hi Hector,<br>
    <br>
        There are at least two options:<br>
    <br>
        1) Use "Iterate over array" actor, which you can put your
    sub-workflow into the actor to process each element in the array.
    The output of this actor is still an array.<br>
    <br>
        2) Use "Array To Sequence" actor to transform your array to a
    sequence of tokens before being processed.<br>
    <br>
        I made a demo workflow at
    <a class="moz-txt-link-freetext" href="https://code.kepler-project.org/code/kepler/trunk/workflows/iterateOverArray/IterateOverArray.xml">https://code.kepler-project.org/code/kepler/trunk/workflows/iterateOverArray/IterateOverArray.xml</a>,
    which use the above both actors. Please have a look.<br>
    <br>
    <pre class="moz-signature" cols="72">Best wishes

Sincerely yours

Jianwu Wang
<a class="moz-txt-link-abbreviated" href="mailto:jianwu@sdsc.edu">jianwu@sdsc.edu</a>
<a class="moz-txt-link-freetext" href="http://users.sdsc.edu/~jianwu/">http://users.sdsc.edu/~jianwu/</a>

Assistant Project Scientist
Scientific Workflow Automation Technologies (SWAT) Laboratory
San Diego Supercomputer Center 
University of California, San Diego
San Diego, CA, U.S.A. </pre>
    <br>
    On 5/10/2011 6:41 AM, Héctor Fernández wrote:
    <blockquote
      cite="mid:BANLkTi=Wfsnir1o3p_Nzj-YE9RVf_Zx6mw@mail.gmail.com"
      type="cite">Hello,<br>
      <br>
      I'm executing a simple workflow where i have to iterate over an
      array of strings. When i run that workflow i get the next error in
      my SimpleDisplay: <br>
      <br>
      <b>Cannot identify the type instance of the result!</b><br>
      <br>
      I tried to use WSWithComplexTypes but i got the same error. I
      don't know what is happening, I consider it's a common example.<br>
      <br>
      Could anyone help me ?<br>
      <br>
      Thanks in advance.<br>
      <br>
      Best,<br>
      Hector<br>
      <br>
      <pre wrap="">
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</pre>
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