CPANPLUS::Internals::Fetch
my $output = $cb->_fetch( module => $modobj, fetchdir => '/path/to/save/to', verbose => BOOL, force => BOOL, ); $cb->_add_fail_host( host => 'foo.com' ); $cb->_host_ok( host => 'foo.com' );
CPANPLUS::Internals::Fetch fetches files from either ftp, http, file or rsync mirrors.
This is the rough flow:
$cb->_fetch Delegate to File::Fetch;
_fetch will fetch files based on the information in a module object. You always need a module object. If you want a fake module object for a one-off fetch, look at CPANPLUS::Module::Fake.
_fetch
CPANPLUS::Module::Fake
fetchdir is the place to save the file to. Usually this information comes from your configuration, but you can override it expressly if needed.
fetchdir
fetch_from lets you specify an URI to get this file from. If you do not specify one, your list of configured hosts will be probed to download the file from.
fetch_from
force forces a new download, even if the file already exists.
force
verbose simply indicates whether or not to print extra messages.
verbose
prefer_bin indicates whether you prefer the use of commandline programs over perl modules. Defaults to your corresponding config setting.
prefer_bin
_fetch figures out, based on the host list, what scheme to use and from there, delegates to File::Fetch do the actual fetching.
File::Fetch
Returns the path of the output file on success, false on failure.
Note that you can set a blacklist on certain methods in the config. Simply add the identifying name of the method (ie, lwp) to: $conf->_set_fetch( blacklist => ['lwp'] );
blacklist
lwp
And the LWP function will be skipped by File::Fetch.
LWP
Mark a particular host as bad. This makes CPANPLUS::Internals::Fetch skip it in fetches until this cache is flushed.
Query the cache to see if this host is ok, or if it has been flagged as bad.
Returns true if the host is ok, false otherwise.
To install CPANPLUS, copy and paste the appropriate command in to your terminal.
cpanm
cpanm CPANPLUS
CPAN shell
perl -MCPAN -e shell install CPANPLUS
For more information on module installation, please visit the detailed CPAN module installation guide.