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# Example: lr_xml_replace

The following example changes the telephone extension number of an employee from 2145 to 4444. It searches the input string xml_input for the tag "<extension>" and replaces the tag with an XML fragment containing the number 4444 ("XmlFragment=<extension>4444</extension>"). The resulting string is contained in the ResultParam parameter, Result.

For more examples of the use of lr_xml_replace, see Replacing and inserting elements in Example Scripts for XML Queries.

    #include "as_web.h"

    char *xml_input =
    "<acme_org>"
         "<employee>"
              " <name>John Smith</name>"
              "<cubicle>227</cubicle>"
              "<extension>2145</extension>"
         "</employee>"
    "</acme_org>";

    Action() {

         lr_save_string(xml_input, "XML_Input_Param");

         lr_xml_replace("XML={XML_Input_Param}", "ResultParam=Result",
                   "Query=/acme_org/employee/extension",
                   "XmlFragment=<extension>4444</extension>", LAST );

         lr_output_message(lr_eval_string("String after replacement: {Result}"));

         return 0;
    }

Example: Output:
Action.c(20): String after replacement: <acme_org><employee> <name>John Smith</name><cubicle>227</cubicle> <extension>4444</extension></employee></acme_org>

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