[Koha] exporting MARC records on mysql conditions

[Giuseppe Angilella]

Hi,

the online export tool for bibliographic records allows to select records 
in a given range of either biblio number, or item call number, or 
accession date.

Would it be possible (perhaps via an off-line script) to select records 
fulfilling other constraints? (Say, a full mysql "where..." condition.)

If not, would it be possible to extract (single) MARC records by off-line 
invoking export.pl on (single) biblio numbers? (One could have saved a 
list thereof in an auxiliary file, and then iteratively call export.pl via 
some script.)

Many thanks in advance.

Giuseppe.