Built-in filters: ExternalFilterProvider
Introduction
This filter converts specific binary file formats to text using an external program or command as defined in textify.cfg.
Enabling and disabling
External filtering is enabled by default. To enable on a custom filter chain add ExternalFilterProvider to the filter chain.
To disable external filtering remove ExternalFilterProvider from the filter chain.
Configuring external filter programs
textify.cfg is used to define external programs that run for specified file extensions.
Configure Funnelback to index additional supported file types
Some additional options may need to be set depending on the type of collection being indexed to ensure the desired file types are downloaded and indexed.
| Collection type | Collection configuration option | Description |
|---|---|---|
| web | crawler.reject_files | Ensure the file extension is not listed here |
| web | crawler.accept_files | If used ensure the file extension is listed here |
| web | crawler.non_html | Ensure the file extension is listed here |
| filecopy | filecopy.filetypes | Ensure the file extension is listed here |
| trimpush | trim.extracted_file_types | Ensure the file extension is listed here |