The document discusses the integration of LWP (libwww-perl) and libcurl for HTTP requests in Perl, highlighting their popularity and ease of use. It mentions that LWP has 1,691 CPAN modules depending on it, while libcurl supports numerous protocols and offers many options. The document also provides code examples for using these libraries without complex setup.

1. LWP + libcurl
As simple as setting an environment variable!
Stanislaw Pusep - 2013

2. LWP
a.k.a. libwww-perl

3. LWP
a.k.a. libwww-perl
• Whipuptitude

4. LWP
a.k.a. libwww-perl
• Whipuptitude
• Very popular in the Perl community

5. LWP
a.k.a. libwww-perl
• Whipuptitude
• Very popular in the Perl community
• 1,691 CPAN modules depend on LWP!

6. LWP
a.k.a. libwww-perl
• Whipuptitude
• Very popular in the Perl community
• 1,691 CPAN modules depend on LWP!
• $ perl -MLWP::Simple -E 'get("https://metacpan.org");say~~keys%INC'

7. LWP
a.k.a. libwww-perl
• Whipuptitude
• Very popular in the Perl community
• 1,691 CPAN modules depend on LWP!
• $ perl -MLWP::Simple -E 'get("https://metacpan.org");say~~keys%INC'
• Loads 122 modules at runtime :(

8. libcurl

9. libcurl
• Manipulexity

10. libcurl
• Manipulexity
• Dozens of protocols supported out-of-box!

11. libcurl
• Manipulexity
• Dozens of protocols supported out-of-box!
• Very popular outside of the Perl
community

12. libcurl
• Manipulexity
• Dozens of protocols supported out-of-box!
• Very popular outside of the Perl
community
• Many options!

13. libcurl
• Manipulexity
• Dozens of protocols supported out-of-box!
• Very popular outside of the Perl
community
• Many options!
• Too many options :(

14. cpanm LWP::Protocol::Net::Curl

15. cpanm LWP::Protocol::Net::Curl
• use LWP::Protocol::Net::Curl;

16. cpanm LWP::Protocol::Net::Curl
• use LWP::Protocol::Net::Curl;
• No black magic!

17. cpanm LWP::Protocol::Net::Curl
• use LWP::Protocol::Net::Curl;
• No black magic!
• Except...

18. cpanm LWP::Protocol::Net::Curl
• use LWP::Protocol::Net::Curl;
• No black magic!
• Except...
• PERL5OPT=-MLWP::Protocol::Net::Curl ...

19. cpanm LWP::Protocol::Net::Curl
• use LWP::Protocol::Net::Curl;
• No black magic!
• Except...
• PERL5OPT=-MLWP::Protocol::Net::Curl ...
• PERL5OPT=-MLWP::Protocol::Net::Curl=verbose,0 ...

20. cpanm LWP::Protocol::Net::Curl
• use LWP::Protocol::Net::Curl;
• No black magic!
• Except...
• PERL5OPT=-MLWP::Protocol::Net::Curl ...
• PERL5OPT=-MLWP::Protocol::Net::Curl=verbose,0 ...
• This way, passes LWP & WWW::Mechanize
tests!

21. Thank you!
• cpan.me/LWP::Protocol::Net::Curl
• github.com/creaktive