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    Estefan&iacute;a:<br>
    <br>
    If your script is exactly as below, the error is likely coming from
    your lack of quotes around the grads commands.&nbsp; For example, you
    should have:<br>
    <br>
    <font face="verdana,sans-serif">
      <div>'open /data/climat_6190_2/media2_01.ctl'</div>
      <div>'set display color white'</div>
      <div>'c'<br>
        <br>
        and so on.<br>
        <br>
        Jim<br>
      </div>
    </font><br>
    <br>
    <div class="moz-cite-prefix">On 1/10/13 3:30 AM, Estefan&iacute;a Jim&eacute;nez
      wrote:<br>
    </div>
    <blockquote
cite="mid:CAL2qOoLiGT2CTzEd=3o0mPJsTAjLfE+k_0_i267yTBsqfJDDLQ@mail.gmail.com"
      type="cite">
      <div dir="ltr"><font face="verdana,sans-serif"><br>
        </font><br>
        <div class="gmail_quote">---------- Forwarded message ----------<br>
          From: <b class="gmail_sendername">Estefan&iacute;a Jim&eacute;nez</b> <span
            dir="ltr">&lt;<a moz-do-not-send="true"
              href="mailto:estefaniajimenez.r@gmail.com">estefaniajimenez.r@gmail.com</a>&gt;</span><br>
          Date: 2013/1/9<br>
          Subject: Non-numeric args to numeric operation<br>
          To: GrADS Users Forum &lt;<a moz-do-not-send="true"
            href="mailto:gradsusr@gradsusr.org">gradsusr@gradsusr.org</a>&gt;<br>
          <br>
          <br>
          <div dir="ltr"><font face="verdana,sans-serif">
              <div>
                Hi everyone! I am trying to run a script and I get this
                error on the first line:&nbsp;<b>Non-numeric args to numeric
                  operation. </b>I attach the .ctl file and the
                script.&nbsp;<br>
              </div>
              <div>I appreciate all possible solutions... thanks!</div>
              <div><br>
              </div>
              <div><br>
              </div>
              <div>open /data/climat_6190_2/media2_01.ctl</div>
              <div>set display color white</div>
              <div>c</div>
              <div>enable print Lluvia6190_01.gmf</div>
              <div>set gxout shaded</div>
              <div>set mpdset hires</div>
              <div>d prec*1000</div>
              <div>draw title Precipitaci&oacute;n media 1961-1990 enero</div>
              <div>run /opt/grads30d/scripts/<a moz-do-not-send="true"
                  href="http://cbar.gs" target="_blank">cbar.gs</a></div>
              <div>print</div>
              <div>disable print</div>
              <div>!/opt/grads30d/scripts/gxgif -r -i Lluvia6190_10.gmf
                -o Lluvia6190_01.gif</div>
              <span class="HOEnZb"><font color="#888888">
                  <div><br>
                  </div>
                </font></span></font><span class="HOEnZb"><font
                color="#888888">
                <div>
                  <br>
                </div>
                -- <br>
                <a moz-do-not-send="true"
name="13c205e823ebdb7c_SafeHtmlFilter_SafeHtmlFilter_SafeHtmlFilter__MailAutoSig"><i><span
                      style="font-size:10pt;font-family:'Lucida
                      Fax',serif;color:rgb(31,73,125)" lang="ES-CR">Estefan&iacute;a
                      Jim&eacute;nez R.</span></i></a><br>
                <br>
              </font></span></div>
        </div>
        <br>
        <br clear="all">
        <div><br>
        </div>
        -- <br>
        <a moz-do-not-send="true"
          name="SafeHtmlFilter_SafeHtmlFilter_SafeHtmlFilter__MailAutoSig"><i><span
              style="font-size:10.0pt;font-family:&quot;Lucida
              Fax&quot;,&quot;serif&quot;;color:#1f497d" lang="ES-CR">Estefan&iacute;a
              Jim&eacute;nez R.</span></i></a><br>
        <span style="color:rgb(31,73,125);font-family:'Lucida
          Fax',serif;font-size:13px">Meteor&oacute;loga</span><br>
        <span style="color:rgb(31,73,125);font-family:'Lucida
          Fax',serif;font-size:13px">Departamento de Climatolog&iacute;a e
          Investigaciones Aplicadas</span><br>
        <span style="color:rgb(31,73,125);font-family:'Lucida
          Fax',serif;font-size:13px">Instituto Meteorol&oacute;gico Nacional</span><br>
        <span style="color:rgb(31,73,125);font-family:'Lucida
          Fax',serif;font-size:13px">MINAET</span>
        <div>
          <span style="color:rgb(31,73,125);font-family:'Lucida
            Fax',serif;font-size:10pt">Tel: +506 2222 5616 ext 136</span>
        </div>
      </div>
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      <br>
      <pre wrap="">_______________________________________________
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</pre>
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