Extract Length

Synopsis

Extracts the document's length and adds it to the document's meta data.

Description

This operator counts the number of characters in each token of the document and will add it to the meta data of the document. Therefore the key is used that might be specified as parameter. If the key already exists, it will be overwritten. Please keep in mind, that the meta data might be added as attribute after the processing of the documents, depending on the parameter of the Process Documents operator.

Input

document

The document port.

Output

document

The document port.

Parameters

Metadata key

The number of characters will be added under this key. The key will become the name of the attribute after document processing.