/usr/share/postgresql/9.5/extension/plperl.control is in postgresql-plperl-9.5 9.5.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 | # plperl extension
comment = 'PL/Perl procedural language'
default_version = '1.0'
module_pathname = '$libdir/plperl'
relocatable = false
schema = pg_catalog
superuser = false
|