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Have a question about CadSoft EAGLE?  Ask our Expert, Richard! (Archive)

nlarson

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Richard Hammerl

Richard is an engineer with 16 years experience in EAGLE customer support and is waiting for your questions.

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  • I'm trying to change an attribute display from off to "value".

    Each  design component has its own attribute containing the Farnell  reference. For manual mounting, I would like to show this attribute on  the board layout.

    I've tried to make this script:

     

    string strCmd;     // script command text
    output("sample.txt","wt")
    {
    board(B) {
      strCmd = "";
      B.elements(E) {
        E.attributes(A) {
          if(A.name=="FARNELL")
          {
            string tmp,strAttrValue;
            sprintf(tmp, "ATTRIBUTE %s FARNELL DELETE;\n",E.name);
            strCmd += tmp;
            sprintf(tmp, "CHANGE DISPLAY VALUE;\n");
            strCmd += tmp;
            strAttrValue=A.value;
            sprintf(tmp, "ATTRIBUTE %s FARNELL '%s';\n", E.name, strAttrValue);
            strCmd += tmp;
            }
          }
        }
      printf("%s\n",strCmd);
      exit(strCmd);
      }
    }

     

    Unfortunately the attribute must be deleted on a schematic !

    If I just add the attribute with same datas and a different display data, it won't be updated.

     

    Have you got any solution to update a display attribute in script ?

    Thanks in advance,

    Luc

  • in reply to lwathelet

    Hi Luc,

     

    currently there is no other possibility, sorry.

     

    Regards,

    Richard

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