El Hash Anónimo $CPAN::Config

En la versión instalada en el ejemplo el hash anónimo $CPAN::Config contiene las siguientes claves:

Clave	Significado
build_cache	Tamaño de la cache para la construcción de los módulos
build_dir	Directorio para la construcción de los módulos
index_expire	Recargar el índice despueś del número de días indicado
cache_metadata	Usar serializador para metadatos
cpan_home	Directorio local para este paquete
cpan_version_check	if true, warns you when the CPAN module is out of date.
dontload_hash	anonymous hash: modules in the keys will not be
	loaded by the CPAN::has_inst() routine
gzip	location of external program gzip
histfile	file to maintain history between sessions
histsize	maximum number of lines to keep in histfile
inactivity_timeout	breaks interactive Makefile.PLs after this
	many seconds inactivity. Set to 0 to never break.
inhibit_startup_message	if true, does not print the startup message
keep_source_where	directory in which to keep the source (if we do)
make	location of external make program
make_arg	arguments that should always be passed to 'make'
make_install_arg	same as make_arg for make install
makepl_arg	arguments passed to perl Makefile.PL
pager	location of external program more (or any pager)
prerequisites_policy	what to do if you are missing module prerequisites
	('follow' automatically, 'ask' me, or 'ignore')
proxy_user	username for accessing an authenticating proxy
proxy_pass	password for accessing an authenticating proxy
scan_cache	controls scanning of cache ('atstart' or 'never')
tar	location of external program tar
term_is_latin	if true internal UTF-8 is translated to ISO-8859-1
	(and nonsense for characters outside latin range)
unzip	location of external program unzip
urllist	arrayref to nearby CPAN sites (or equivalent locations)
wait_list	arrayref to a wait server to try (See CPAN::WAIT)
ftp_proxy,	the three usual variables for configuring
http_proxy,	proxy requests. Both as CPAN::Config variables
no_proxy	and as environment variables configurable.