otype[option] [value]
Sets and queries options. Takes the following arguments:
Type of options to set or query. The possible values are:
debugDebugging options. Prints CPAN module options for debugging the package.
confConfiguration options. Lists or sets values for CPAN module configuration
variables kept in the hash %CPAN::Config.
Here are the configuration variables from %CPAN::Config:
| Variable | Content | 
|---|---|
| build_cache | Size of cache for directories to build modules | 
| build_dir | Locally accessible directory to build modules | 
| index_expire | Number of days before refetching index files | 
| cpan_home | Local directory reserved for this package | 
| gzip | Location of external program gzip | 
| inactivity_timeout | Breaks an interactive Makefile.PL after  | 
| inhibit_startup_message | If true, does not print startup message | 
| keep_source | If set, keeps source in local directory | 
| keep_source_where | Where to keep source | 
| make | Location of external make program | 
| make_arg | Arguments to always pass to make | 
| make_install_arg | Same as  | 
| makepl_arg | Arguments to always pass to perl Makefile.PL | 
| pager | Location of external more program (or other pager) | 
| tar | Location of external tar program | 
| unzip | Location of external unzip program | 
| urllist | Arrayref to nearby CPAN sites (or equivalent locations such as CD-ROM) | 
The CPAN module configuration option or options; used with conf. Can
be one or more scalar or list options from the table above.
Value to be set for a configuration option.
The possibilities for o conf are:
o conf scalaroptPrints current value of scalar option
o conf scalaropt valueSets scalar option to value
o conf listoptPrints current value of list option in MakeMaker format
o conf listopt [shift|pop]Shifts or pops the array in listopt variable
o conf listopt [unshift|push|splice] listWorks like the corresponding Perl functions to modify the array in listopt based on list