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lib/Acme/AutoLoad.pm  view on Meta::CPAN

The optional "MAGIC LINE" comment is only to direct people reading your code back here to this documentation.

The line is intentionally short in order to minimize effort to use it.
It also can be easily used from commandline since it contains no quotes.

=head1 DISCLAIMER

This module is not recommended for use in production environments.
This MAGIC LINE will eval code from the network, which is generally a BAD IDEA!
Relying on remote network is generally dangerous for security and functionality.
For example, if CPAN or any required network endpoint ever goes down or malfunctions
or gets hacked, then it could cause problems for you.
See also CAVEATS Section "2. Slow" below.
USE AT YOUR OWN RISK!

=head1 PREREQUISITES

There are intentionally very few modules required to be installed in order to use this module.
That is the entire purpose for this module.
In fact, this module itself works without even being installed!
The only module required is IO::Socket, which comes stock with all perl distributions now.

=head1 CAVEATS

=head2 1. Network

Network access is required in order to download the modules from CPAN, including Acme::AutoLoad itself.
It uses port 80 and port 443 to connect out.

=head2 2. Slow

Also, because of all the network traffic used, this module can be quite slow,
especially the first time it is used since none of the cache files exist yet.
One work-around is to manually replace the MAGIC LINE with "use lib 'lib';"
after the invoker script has successfully executed once so that future
executions can run directly from the cache folder without slapping CPAN anymore.

=head2 3. Write

Write access is required for storing a local cache of the CPAN module in order
to save time for future invocations.
(See AUTOLOAD_LIB below for more details.)

=head2 4. Pure Perl

This only works for Pure Perl CPAN modules at this time.
If you use modules with XS or bytecode, you will probably have to truly install it first.

=head1 ENVIRONMENT VARIABLES

lib/Acme/AutoLoad.pm  view on Meta::CPAN

=head2 NETWORK_TEST_ACME_AUTOLOAD

In order to really test the test suite, the NETWORK_TEST_ACME_AUTOLOAD
environment variable must be set to a true value, otherwise none of the
network dependent tests will be run. For example:

  NETWORK_TEST_ACME_AUTOLOAD=1 make test

=head1 SEE ALSO

lib::xi - Similar on-demand functionality except nothing required to install.

local::lib - Similar local folder installation functionality except nothing to install.

App::cpanminus - Similar remote network "cpanmin.us" execution functionality except smaller.

CPAN - Actually installs CPAN modules instead of using a local cache.

cpan2rpm - Similar code to lookup latest module without having to configure any CPAN.pm bloat.

=head1 AUTHOR