FAQ 8.45 How do I install a module from CPAN?


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This is an excerpt from the latest version perlfaq8.pod, which
comes with the standard Perl distribution. These postings aim to
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to review and update the answers. The latest version of the complete
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8.45: How do I install a module from CPAN?

(contributed by brian d foy)

The easiest way is to have a module also named CPAN do it for you by
using the "cpan" command the comes with Perl. You can give it a list of
modules to install:

$ cpan IO::Interactive Getopt::Whatever

If you prefer "CPANPLUS", it's just as easy:

$ cpanp i IO::Interactive Getopt::Whatever

If you want to install a distribution from the current directory, you
can tell "CPAN.pm" to install "." (the full stop):

$ cpan .

See the documentation for either of those commands to see what else you
can do.

If you want to try to install a distribution by yourself, resolving all
dependencies on your own, you follow one of two possible build paths.

For distributions that use *Makefile.PL*:

$ perl Makefile.PL
$ make test install

For distributions that use *Build.PL*:

$ perl Build.PL
$ ./Build test
$ ./Build install

Some distributions may need to link to libraries or other third-party
code and their build and installation sequences may be more complicated.
Check any *README* or *INSTALL* files that you may find.



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