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Given a module name, this service will show you its dependencies along with a summary of their test results from the CPAN testers. The idea is that if you have a choice of several modules to use, this will show you which is the most reliable.

Please note: this site is a tool to analyse the dependencies of modules written in the Perl programming language. I can not help you with any problems you might have with using any modules.

It relies on modules having META.yml files so it can work out their dependencies, and is case-sensitive. The perl version number is used to filter test results and also to determine what's a core module and what's not - some core modules also exist seperately on the CPAN, but we don't bother looking at their dependencies. If you choose a version like X.Y as opposed to X.Y.Z, then you'll get test results for all X.Y.* versions, and we assume X.Y.0 for figuring out what's in core. If you choose 'any version', then you get all test results and we divine core modules from perl 5.005. Test results are cached for performance and may be up to three days out of date. Modules can depend on particular versions of other modules. We ignore that. Patches welcome.

Module Perl OS
purity warnings? Include dev builds of perl?

This service costs €50 a month to run. If you think it rocks incredibly hard, then I like shiny beads, but wouldn't say no to a little something to help defray costs either.

(Get results in XML)
- 0. Osgood::Client S B R D Results by OS and perl version 38 PASS0 UNKNOWN0 FAIL0 NA 38 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
- 1.      DateTime S B R D Results by OS and perl version 105 PASS0 UNKNOWN0 FAIL0 NA 105 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
- 2.          Scalar::Util S B R D Results by OS and perl version 481 PASS3 UNKNOWN3 FAIL0 NA 481 PASSes, 3 UNKNOWNs, 3 FAILs, 0 NAs
- 3.              Test::More S B R D Results by OS and perl version 798 PASS5 UNKNOWN1 FAIL0 NA 798 PASSes, 5 UNKNOWNs, 1 FAIL, 0 NAs
4.                  Test::Harness S B R D Results by OS and perl version 577 PASS1 UNKNOWN13 FAIL0 NA 577 PASSes, 1 UNKNOWN, 13 FAILs, 0 NAs
5.                  ExtUtils::MakeMaker S B R D Core module Core module
- 6.          Test::Exception S B R D Results by OS and perl version 632 PASS0 UNKNOWN1 FAIL0 NA 632 PASSes, 0 UNKNOWNs, 1 FAIL, 0 NAs
- 7.              Sub::Uplevel S B R D Results by OS and perl version 809 PASS1 UNKNOWN1 FAIL3 NA 809 PASSes, 1 UNKNOWN, 1 FAIL, 3 NAs
- 8.                  Module::Build S B R D Results by OS and perl version 470 PASS1 UNKNOWN2 FAIL3 NA 470 PASSes, 1 UNKNOWN, 2 FAILs, 3 NAs
- 9.                      File::Spec S B R D Results by OS and perl version 668 PASS6 UNKNOWN2 FAIL0 NA 668 PASSes, 6 UNKNOWNs, 2 FAILs, 0 NAs
10.                          File::Path S B R D Core module Core module
11.                          Test S B R D Core module Core module
12.                          File::Basename S B R D Core module Core module
13.                      ExtUtils::Install S B R D Core module Core module
- 14.                      ExtUtils::CBuilder S B R D Results by OS and perl version 501 PASS0 UNKNOWN1 FAIL0 NA 501 PASSes, 0 UNKNOWNs, 1 FAIL, 0 NAs
15.                          IO::File S B R D Core module Core module
16.                          Text::ParseWords S B R D Core module Core module
17.                      ExtUtils::Manifest S B R D Core module Core module
18.                      Getopt::Long S B R D Core module Core module
19.                      Data::Dumper S B R D Core module Core module
- 20.                      ExtUtils::ParseXS S B R D Results by OS and perl version 312 PASS0 UNKNOWN2 FAIL0 NA 312 PASSes, 0 UNKNOWNs, 2 FAILs, 0 NAs
21.                          Exporter S B R D Results by OS and perl version 939 PASS2 UNKNOWN1 FAIL1 NA 939 PASSes, 2 UNKNOWNs, 1 FAIL, 1 NA
22.                      File::Temp S B R D Results by OS and perl version 695 PASS0 UNKNOWN1 FAIL0 NA 695 PASSes, 0 UNKNOWNs, 1 FAIL, 0 NAs
- 23.          Pod::Man S B R D Results by OS and perl version 336 PASS0 UNKNOWN0 FAIL0 NA 336 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
- 24.              Pod::Simple S B R D Results by OS and perl version 276 PASS0 UNKNOWN1 FAIL1 NA 276 PASSes, 0 UNKNOWNs, 1 FAIL, 1 NA
25.                  Pod::Escapes S B R D Results by OS and perl version 1238 PASS3 UNKNOWN0 FAIL0 NA 1238 PASSes, 3 UNKNOWNs, 0 FAILs, 0 NAs
26.                  Text::Wrap S B R D Results by OS and perl version 650 PASS0 UNKNOWN0 FAIL0 NA 650 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
27.                  constant S B R D Core module Core module
- 28.          DateTime::TimeZone S B R D Results by OS and perl version 71 PASS0 UNKNOWN0 FAIL0 NA 71 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
29.              Class::Singleton S B R D Results by OS and perl version 1852 PASS4 UNKNOWN6 FAIL2 NA 1852 PASSes, 4 UNKNOWNs, 6 FAILs, 2 NAs
- 30.              Params::Validate S B R D Results by OS and perl version 503 PASS2 UNKNOWN2 FAIL0 NA 503 PASSes, 2 UNKNOWNs, 2 FAILs, 0 NAs
31.                  Attribute::Handlers S B R D Results by OS and perl version 301 PASS0 UNKNOWN0 FAIL0 NA 301 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
- 32.          DateTime::Locale S B R D Results by OS and perl version 413 PASS0 UNKNOWN3 FAIL1 NA 413 PASSes, 0 UNKNOWNs, 3 FAILs, 1 NA
33.              List::MoreUtils S B R D Results by OS and perl version 1701 PASS6 UNKNOWN60 FAIL0 NA 1701 PASSes, 6 UNKNOWNs, 60 FAILs, 0 NAs
34.          Time::Local S B R D Results by OS and perl version 688 PASS1 UNKNOWN0 FAIL0 NA 688 PASSes, 1 UNKNOWN, 0 FAILs, 0 NAs
- 35.      DateTime::Format::ISO8601 S B R D Results by OS and perl version 291 PASS2 UNKNOWN0 FAIL0 NA 291 PASSes, 2 UNKNOWNs, 0 FAILs, 0 NAs
- 36.          DateTime::Format::Builder S B R D Results by OS and perl version 328 PASS0 UNKNOWN1 FAIL0 NA 328 PASSes, 0 UNKNOWNs, 1 FAIL, 0 NAs
37.              Class::Factory::Util S B R D Results by OS and perl version 1572 PASS1 UNKNOWN4 FAIL0 NA 1572 PASSes, 1 UNKNOWN, 4 FAILs, 0 NAs
38.              DateTime::Format::Strptime S B R D Results by OS and perl version 200 PASS0 UNKNOWN1 FAIL0 NA 200 PASSes, 0 UNKNOWNs, 1 FAIL, 0 NAs
39.              Task::Weaken S B R D Results by OS and perl version 1177 PASS1 UNKNOWN0 FAIL0 NA 1177 PASSes, 1 UNKNOWN, 0 FAILs, 0 NAs
- 40.      URI S B R D Results by OS and perl version 367 PASS0 UNKNOWN6 FAIL0 NA 367 PASSes, 0 UNKNOWNs, 6 FAILs, 0 NAs
41.          MIME::Base64 S B R D Results by OS and perl version 434 PASS0 UNKNOWN0 FAIL0 NA 434 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
42.      JSON::XS
     Couldn't get dependencies 		S B R D Results by OS and perl version 387 PASS4 UNKNOWN3 FAIL2 NA 387 PASSes, 4 UNKNOWNs, 3 FAILs, 2 NAs
- 43.      MooseX::Iterator S B R D Results by OS and perl version 537 PASS0 UNKNOWN1 FAIL0 NA 537 PASSes, 0 UNKNOWNs, 1 FAIL, 0 NAs
- 44.          Moose S B R D Results by OS and perl version 74 PASS0 UNKNOWN0 FAIL2 NA 74 PASSes, 0 UNKNOWNs, 0 FAILs, 2 NAs
- 45.              Package::DeprecationManager S B R D Results by OS and perl version 126 PASS0 UNKNOWN0 FAIL0 NA 126 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
46.                  Params::Util S B R D Results by OS and perl version 425 PASS2 UNKNOWN0 FAIL0 NA 425 PASSes, 2 UNKNOWNs, 0 FAILs, 0 NAs
- 47.                  Test::Warn S B R D Results by OS and perl version 968 PASS0 UNKNOWN2 FAIL0 NA 968 PASSes, 0 UNKNOWNs, 2 FAILs, 0 NAs
48.                      Tree::DAG_Node S B R D Results by OS and perl version 1781 PASS0 UNKNOWN3 FAIL0 NA 1781 PASSes, 0 UNKNOWNs, 3 FAILs, 0 NAs
49.                  Sub::Install S B R D Results by OS and perl version 1411 PASS1 UNKNOWN0 FAIL0 NA 1411 PASSes, 1 UNKNOWN, 0 FAILs, 0 NAs
50.              Try::Tiny S B R D Results by OS and perl version 322 PASS0 UNKNOWN0 FAIL0 NA 322 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
- 51.              Class::MOP S B R D Results by OS and perl version 79 PASS0 UNKNOWN0 FAIL1 NA 79 PASSes, 0 UNKNOWNs, 0 FAILs, 1 NA
- 52.                  MRO::Compat S B R D Results by OS and perl version 1200 PASS0 UNKNOWN1 FAIL0 NA 1200 PASSes, 0 UNKNOWNs, 1 FAIL, 0 NAs
- 53.                      Class::C3 S B R D Results by OS and perl version 214 PASS0 UNKNOWN0 FAIL0 NA 214 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
54.                          Algorithm::C3 S B R D Results by OS and perl version 633 PASS0 UNKNOWN1 FAIL0 NA 633 PASSes, 0 UNKNOWNs, 1 FAIL, 0 NAs
55.                  Package::Stash S B R D Results by OS and perl version 290 PASS0 UNKNOWN0 FAIL0 NA 290 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
56.                  Sub::Name S B R D Results by OS and perl version 1716 PASS11 UNKNOWN2 FAIL1 NA 1716 PASSes, 11 UNKNOWNs, 2 FAILs, 1 NA
57.                  Data::OptList S B R D Results by OS and perl version 499 PASS0 UNKNOWN0 FAIL0 NA 499 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
- 58.                  Devel::GlobalDestruction S B R D Results by OS and perl version 1653 PASS8 UNKNOWN2 FAIL1 NA 1653 PASSes, 8 UNKNOWNs, 2 FAILs, 1 NA
59.                      Scope::Guard S B R D Results by OS and perl version 313 PASS0 UNKNOWN0 FAIL0 NA 313 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
60.                      Sub::Exporter S B R D Results by OS and perl version 1429 PASS5 UNKNOWN0 FAIL0 NA 1429 PASSes, 5 UNKNOWNs, 0 FAILs, 0 NAs
- 61.      LWP::UserAgent S B R D Results by OS and perl version 351 PASS0 UNKNOWN8 FAIL0 NA 351 PASSes, 0 UNKNOWNs, 8 FAILs, 0 NAs
- 62.          IO::Uncompress::Gunzip S B R D Results by OS and perl version 72 PASS0 UNKNOWN2 FAIL0 NA 72 PASSes, 0 UNKNOWNs, 2 FAILs, 0 NAs
63.              Compress::Raw::Zlib S B R D Results by OS and perl version 71 PASS0 UNKNOWN0 FAIL0 NA 71 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
64.              Compress::Raw::Bzip2 S B R D Results by OS and perl version 70 PASS0 UNKNOWN0 FAIL0 NA 70 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
65.          Net::FTP S B R D Results by OS and perl version 631 PASS1 UNKNOWN20 FAIL0 NA 631 PASSes, 1 UNKNOWN, 20 FAILs, 0 NAs
66.          HTML::Tagset S B R D Results by OS and perl version 1639 PASS3 UNKNOWN1 FAIL0 NA 1639 PASSes, 3 UNKNOWNs, 1 FAIL, 0 NAs
- 67.          HTML::Parser S B R D Results by OS and perl version 197 PASS0 UNKNOWN1 FAIL0 NA 197 PASSes, 0 UNKNOWNs, 1 FAIL, 0 NAs
68.              XSLoader S B R D Results by OS and perl version 810 PASS2 UNKNOWN21 FAIL0 NA 810 PASSes, 2 UNKNOWNs, 21 FAILs, 0 NAs
- 69.          Digest::MD5 S B R D Results by OS and perl version 323 PASS0 UNKNOWN0 FAIL0 NA 323 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
70.              Digest::base S B R D Results by OS and perl version 577 PASS0 UNKNOWN0 FAIL0 NA 577 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
71.      MooseX::AttributeHelpers S B R D Results by OS and perl version 432 PASS0 UNKNOWN8 FAIL0 NA 432 PASSes, 0 UNKNOWNs, 8 FAILs, 0 NAs
- 72.      MooseX::Storage S B R D Results by OS and perl version 197 PASS0 UNKNOWN3 FAIL0 NA 197 PASSes, 0 UNKNOWNs, 3 FAILs, 0 NAs
73.          String::RewritePrefix S B R D Results by OS and perl version 586 PASS0 UNKNOWN1 FAIL0 NA 586 PASSes, 0 UNKNOWNs, 1 FAIL, 0 NAs
- 74.          Test::TempDir S B R D Results by OS and perl version 629 PASS0 UNKNOWN5 FAIL0 NA 629 PASSes, 0 UNKNOWNs, 5 FAILs, 0 NAs
- 75.              namespace::clean S B R D Results by OS and perl version 267 PASS0 UNKNOWN0 FAIL0 NA 267 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
76.                  Sub::Identify S B R D Results by OS and perl version 1261 PASS4 UNKNOWN3 FAIL0 NA 1261 PASSes, 4 UNKNOWNs, 3 FAILs, 0 NAs
- 77.                  B::Hooks::EndOfScope S B R D Results by OS and perl version 315 PASS0 UNKNOWN0 FAIL0 NA 315 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
- 78.                      Variable::Magic S B R D Results by OS and perl version 218 PASS0 UNKNOWN4 FAIL0 NA 218 PASSes, 0 UNKNOWNs, 4 FAILs, 0 NAs
79.                          base S B R D Results by OS and perl version 528 PASS0 UNKNOWN2 FAIL0 NA 528 PASSes, 0 UNKNOWNs, 2 FAILs, 0 NAs
- 80.              MooseX::Types::Path::Class S B R D Results by OS and perl version 1243 PASS3 UNKNOWN3 FAIL0 NA 1243 PASSes, 3 UNKNOWNs, 3 FAILs, 0 NAs
- 81.                  MooseX::Types S B R D Results by OS and perl version 80 PASS0 UNKNOWN1 FAIL0 NA 80 PASSes, 0 UNKNOWNs, 1 FAIL, 0 NAs
82.                      Carp::Clan S B R D Results by OS and perl version 816 PASS2 UNKNOWN0 FAIL0 NA 816 PASSes, 2 UNKNOWNs, 0 FAILs, 0 NAs
83.                  Path::Class S B R D Results by OS and perl version 263 PASS0 UNKNOWN3 FAIL0 NA 263 PASSes, 0 UNKNOWNs, 3 FAILs, 0 NAs
84.              File::NFSLock
             Couldn't get dependencies 		S B R D Results by OS and perl version 1387 PASS1 UNKNOWN19 FAIL0 NA 1387 PASSes, 1 UNKNOWN, 19 FAILs, 0 NAs
85.              Test::use::ok S B R D Results by OS and perl version 1740 PASS1 UNKNOWN0 FAIL0 NA 1740 PASSes, 1 UNKNOWN, 0 FAILs, 0 NAs
- 86.          Test::Deep S B R D Results by OS and perl version 969 PASS0 UNKNOWN2 FAIL0 NA 969 PASSes, 0 UNKNOWNs, 2 FAILs, 0 NAs
87.              Test::Tester S B R D Results by OS and perl version 1852 PASS1 UNKNOWN2 FAIL0 NA 1852 PASSes, 1 UNKNOWN, 2 FAILs, 0 NAs
88.              Test::NoWarnings S B R D Results by OS and perl version 561 PASS1 UNKNOWN0 FAIL0 NA 561 PASSes, 1 UNKNOWN, 0 FAILs, 0 NAs
89.      JSON::Any S B R D Results by OS and perl version 838 PASS0 UNKNOWN0 FAIL12 NA 838 PASSes, 0 UNKNOWNs, 0 FAILs, 12 NAs
Chance of all tests passing 57% (but note that this doesn't mean much)

The chance of success is calculated by multiplying the probabilities of the module and all its dependencies passing their tests.

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