extractData
DataSet scrapeableFile.extractData ( String text, String extractorPatternName ) (professional and enterprise editions only)
Description
Manually apply an extractor pattern to a string.
Parameters
- text The string to which the extractor pattern will be applied.
- extractorPatternName Name of extractor pattern in the scrapeable file, as a string. Optionally the scraping session and scrapeable file where the extractor pattern can be found can be specified in the form [scraping session:][scrapeable file:]extractor pattern.
Return Values
Returns DataSet on success. Failures will be written out to the log as errors.
Change Log
| Version |
Description |
| 4.5 |
Available for professional and enterprise editions. |
An example of how to manually extract data is available.
Examples
Extract DataSet
// Applies the "PRODUCT" extractor pattern to the text found in the
// productDescriptionText variable. The resulting DataSet from
// extractData is stored in the variable productData.
DataSet productData = scrapeableFile.extractData( productDescriptionText, "PRODUCT" );
Loop Through DataRecords
// Expanded example using the "PRODUCT" extractor pattern to the text found in the
// productDescriptionText variable. The resulting DataSet from
// extractData is stored in the variable myDataSet, which has multiple dataRecords.
// Each myDataRecord has a PRICE and a PRODUCT_ID.<br />
myDataSet = scrapeableFile.extractData( productDescriptionText, "PRODUCT" );
for (i = 0; i < myDataSet.getNumDataRecords(); i++) {
myDataRecord = myDataSet.getDataRecord(i);
session.setVariable("PRICE", myDataRecord.get("PRICE"));
session.setVariable("PRODUCT_ID", myDataRecord.get("PRODUCT_ID"));
}
Extractor Pattern from another Scrapeable File
// Apply extractor pattern "PRODUCT" from "Another scrapeable file"
// to the variable productDescriptionText
DataSet productData = scrapeableFile.extractData( productDescriptionText, "Another scrapeable file:PRODUCT" );
Extractor Pattern from another Scraping Session
// Apply extractor pattern "PRODUCT" from "Another scrapeable file"
// in "Other scraping session" to the variable productDescriptionText
DataSet productData = scrapeableFile.extractData( productDescriptionText,
"Other scraping session:Another scrapeable file:PRODUCT" );