"scanconf.pl" is a script that reads the top level Apache HTTPD configuration file and scans through it parsing all include files found in order to search the whole server configuration for any given directives. The search is case insensitive.
Patched version to include also "IncludeOptional" files
found on http://www.unbeliever.plus.com/apache/scripts/scanconf.pl see also on https://wiki.apache.org/httpd/ScanHTTPDConf