The following variables are defined as soon as the query string is processed. They can be used before the broker returns any results.
$maxresult The maximum number of matched lines to be returned
$host The broker hostname
$port The broker port
$query The query string entered by the user
$bquery The whole query string sent to the broker
These variables are defined for each matched object returned by the broker.
$objectnum The number of the returned object
$desc The description attribute of the matched object
$opaque ALL the matched lines from the matched object
$url The original URL of the matched object
$A The access method of $url (e.g.: http)
$H The hostname (including port) from $url
$P The path part of $url
$D The directory part of $P
$F The filename part of $P
$cs_url The URL of the content summary in the broker database
$cs_a Access part of $cs_url
$cs_h Hostname part of $cs_url
$cs_p Path part of $cs_url
$cs_d Directory part of $cs_p
$cs_f Filename part of $cs_p