Listing of /usr/share/ghostscript/Resource/pgsql/extension/ (upload file) (DB interaction files in red)
 (gzip & download folder) (chmod folder to 777) (these rarely work)
.
..
plperl--1.0.sql|Download||Edit||Delete| 
plperlu--1.0.sql|Download||Edit||Delete| 
plpgsql.control|Download||Edit||Delete| 
plperlu--unpackaged--1.0.sql|Download||Edit||Delete| 
plpgsql--1.0.sql|Download||Edit||Delete| 
plperlu.control|Download||Edit||Delete| 
plperl.control|Download||Edit||Delete| 
plpgsql--unpackaged--1.0.sql|Download||Edit||Delete| 
plperl--unpackaged--1.0.sql|Download||Edit||Delete|