7.2. Supporting packages

Recoll uses external applications to index some file types. You need to install them for the file types that you wish to have indexed (these are run-time optional dependencies. None is needed for building or running Recoll except for indexing their specific file type).

After an indexing pass, the commands that were found missing can be displayed from the recoll File menu. The list is stored in the missing text file inside the configuration directory.

A list of common file types which need external commands:

Text, HTML, mail folders, Openoffice and Scribus files are processed internally. Lyx is used to index Lyx files. Many filters need sed and awk.