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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 Test results are cached for performance and may be up to three days out of date.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. Activator S B R D Results by OS and perl version 0 PASS3 UNKNOWN144 FAIL0 NA 0 PASSes, 3 UNKNOWNs, 144 FAILs, 0 NAs
1.      CGI::Cookie S B R D Core module Core module
- 2.      Scalar::Util S B R D Results by OS and perl version 593 PASS3 UNKNOWN3 FAIL0 NA 593 PASSes, 3 UNKNOWNs, 3 FAILs, 0 NAs
- 3.          Test::More S B R D Results by OS and perl version 325 PASS0 UNKNOWN0 FAIL0 NA 325 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
4.              Test::Harness S B R D Results by OS and perl version 278 PASS0 UNKNOWN4 FAIL0 NA 278 PASSes, 0 UNKNOWNs, 4 FAILs, 0 NAs
5.              ExtUtils::MakeMaker S B R D Core module Core module
- 6.      Exception::Class::TryCatch S B R D Results by OS and perl version 918 PASS2 UNKNOWN3 FAIL7 NA 918 PASSes, 2 UNKNOWNs, 3 FAILs, 7 NAs
- 7.          Exception::Class S B R D Results by OS and perl version 310 PASS2 UNKNOWN0 FAIL1 NA 310 PASSes, 2 UNKNOWNs, 0 FAILs, 1 NA
- 8.              Devel::StackTrace S B R D Results by OS and perl version 27 PASS0 UNKNOWN0 FAIL0 NA 27 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
9.                  File::Spec S B R D Core module Core module
10.              Class::Data::Inheritable S B R D Results by OS and perl version 1897 PASS1 UNKNOWN2 FAIL0 NA 1897 PASSes, 1 UNKNOWN, 2 FAILs, 0 NAs
- 11.      Test::Pod S B R D Results by OS and perl version 509 PASS0 UNKNOWN1 FAIL3 NA 509 PASSes, 0 UNKNOWNs, 1 FAIL, 3 NAs
- 12.          Module::Build S B R D Results by OS and perl version 537 PASS1 UNKNOWN3 FAIL3 NA 537 PASSes, 1 UNKNOWN, 3 FAILs, 3 NAs
13.              ExtUtils::Install S B R D Core module Core module
14.              File::Compare S B R D Core module Core module
15.              File::Path S B R D Core module Core module
- 16.              ExtUtils::CBuilder S B R D Results by OS and perl version 564 PASS0 UNKNOWN1 FAIL0 NA 564 PASSes, 0 UNKNOWNs, 1 FAIL, 0 NAs
17.                  IO::File S B R D Core module Core module
18.                  Text::ParseWords S B R D Core module Core module
19.              ExtUtils::Manifest S B R D Core module Core module
20.              Getopt::Long S B R D Core module Core module
21.              Data::Dumper S B R D Core module Core module
- 22.              ExtUtils::ParseXS S B R D Results by OS and perl version 403 PASS0 UNKNOWN3 FAIL0 NA 403 PASSes, 0 UNKNOWNs, 3 FAILs, 0 NAs
23.                  Exporter S B R D Results by OS and perl version 954 PASS2 UNKNOWN1 FAIL1 NA 954 PASSes, 2 UNKNOWNs, 1 FAIL, 1 NA
24.              File::Temp S B R D Results by OS and perl version 785 PASS0 UNKNOWN1 FAIL0 NA 785 PASSes, 0 UNKNOWNs, 1 FAIL, 0 NAs
- 25.          Pod::Simple S B R D Results by OS and perl version 373 PASS0 UNKNOWN1 FAIL1 NA 373 PASSes, 0 UNKNOWNs, 1 FAIL, 1 NA
26.              Pod::Escapes S B R D Results by OS and perl version 1254 PASS3 UNKNOWN0 FAIL0 NA 1254 PASSes, 3 UNKNOWNs, 0 FAILs, 0 NAs
27.              Text::Wrap S B R D Results by OS and perl version 661 PASS0 UNKNOWN0 FAIL0 NA 661 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
28.              Test S B R D Results by OS and perl version 307 PASS2 UNKNOWN0 FAIL0 NA 307 PASSes, 2 UNKNOWNs, 0 FAILs, 0 NAs
29.              constant S B R D Core module Core module
- 30.      HTML::Entities S B R D Results by OS and perl version 69 PASS0 UNKNOWN0 FAIL0 NA 69 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
31.          XSLoader S B R D Results by OS and perl version 828 PASS2 UNKNOWN24 FAIL0 NA 828 PASSes, 2 UNKNOWNs, 24 FAILs, 0 NAs
32.          HTML::Tagset S B R D Results by OS and perl version 1703 PASS3 UNKNOWN1 FAIL0 NA 1703 PASSes, 3 UNKNOWNs, 1 FAIL, 0 NAs
- 33.      MIME::Lite S B R D Results by OS and perl version 560 PASS0 UNKNOWN0 FAIL0 NA 560 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
- 34.          Email::Date::Format S B R D Results by OS and perl version 1651 PASS0 UNKNOWN7 FAIL5 NA 1651 PASSes, 0 UNKNOWNs, 7 FAILs, 5 NAs
35.              Time::Local S B R D Results by OS and perl version 711 PASS1 UNKNOWN0 FAIL0 NA 711 PASSes, 1 UNKNOWN, 0 FAILs, 0 NAs
- 36.      Exception::Class::DBI S B R D Results by OS and perl version 676 PASS2 UNKNOWN5 FAIL0 NA 676 PASSes, 2 UNKNOWNs, 5 FAILs, 0 NAs
37.          DBI S B R D Results by OS and perl version 252 PASS5 UNKNOWN10 FAIL2 NA 252 PASSes, 5 UNKNOWNs, 10 FAILs, 2 NAs
- 38.      Test::Exception S B R D Results by OS and perl version 742 PASS0 UNKNOWN1 FAIL0 NA 742 PASSes, 0 UNKNOWNs, 1 FAIL, 0 NAs
39.          Sub::Uplevel S B R D Results by OS and perl version 904 PASS1 UNKNOWN1 FAIL3 NA 904 PASSes, 1 UNKNOWN, 1 FAIL, 3 NAs
- 40.      Digest::SHA1 S B R D Results by OS and perl version 375 PASS0 UNKNOWN0 FAIL0 NA 375 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
- 41.          Digest::base S B R D Results by OS and perl version 591 PASS0 UNKNOWN0 FAIL0 NA 591 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
42.              MIME::Base64 S B R D Results by OS and perl version 479 PASS0 UNKNOWN1 FAIL0 NA 479 PASSes, 0 UNKNOWNs, 1 FAIL, 0 NAs
- 43.      Hash::Merge S B R D Results by OS and perl version 367 PASS0 UNKNOWN1 FAIL0 NA 367 PASSes, 0 UNKNOWNs, 1 FAIL, 0 NAs
44.          Clone S B R D Results by OS and perl version 1498 PASS4 UNKNOWN1 FAIL0 NA 1498 PASSes, 4 UNKNOWNs, 1 FAIL, 0 NAs
45.      YAML::Syck S B R D Results by OS and perl version 102 PASS0 UNKNOWN0 FAIL0 NA 102 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
46.      Time::HiRes S B R D Results by OS and perl version 375 PASS5 UNKNOWN20 FAIL0 NA 375 PASSes, 5 UNKNOWNs, 20 FAILs, 0 NAs
- 47.      Template S B R D Results by OS and perl version 997 PASS9 UNKNOWN12 FAIL0 NA 997 PASSes, 9 UNKNOWNs, 12 FAILs, 0 NAs
48.          AppConfig S B R D Results by OS and perl version 1821 PASS3 UNKNOWN4 FAIL2 NA 1821 PASSes, 3 UNKNOWNs, 4 FAILs, 2 NAs
- 49.      Email::Send S B R D Results by OS and perl version 653 PASS1 UNKNOWN0 FAIL0 NA 653 PASSes, 1 UNKNOWN, 0 FAILs, 0 NAs
50.          Module::Pluggable S B R D Results by OS and perl version 758 PASS0 UNKNOWN0 FAIL0 NA 758 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
51.          Return::Value S B R D Results by OS and perl version 735 PASS0 UNKNOWN1 FAIL0 NA 735 PASSes, 0 UNKNOWNs, 1 FAIL, 0 NAs
52.          Email::Simple S B R D Results by OS and perl version 759 PASS2 UNKNOWN0 FAIL0 NA 759 PASSes, 2 UNKNOWNs, 0 FAILs, 0 NAs
53.          Email::Address S B R D Results by OS and perl version 16 PASS0 UNKNOWN0 FAIL0 NA 16 PASSes, 0 UNKNOWNs, 0 FAILs, 0 NAs
- 54.      Crypt::CBC S B R D Results by OS and perl version 1309 PASS1 UNKNOWN0 FAIL0 NA 1309 PASSes, 1 UNKNOWN, 0 FAILs, 0 NAs
55.          Digest::MD5 S B R D Results by OS and perl version 409 PASS0 UNKNOWN1 FAIL0 NA 409 PASSes, 0 UNKNOWNs, 1 FAIL, 0 NAs
- 56.      Template::Plugin::HTML::Strip S B R D Results by OS and perl version 222 PASS1 UNKNOWN0 FAIL0 NA 222 PASSes, 1 UNKNOWN, 0 FAILs, 0 NAs
57.          HTML::Strip
         Couldn't get dependencies 		S B R D Results by OS and perl version 621 PASS12 UNKNOWN1 FAIL3 NA 621 PASSes, 12 UNKNOWNs, 1 FAIL, 3 NAs
58.      Class::StrongSingleton
     Couldn't get dependencies 		S B R D Results by OS and perl version 567 PASS1 UNKNOWN0 FAIL0 NA 567 PASSes, 1 UNKNOWN, 0 FAILs, 0 NAs
59.      Log::Log4perl S B R D Results by OS and perl version 66 PASS0 UNKNOWN1 FAIL0 NA 66 PASSes, 0 UNKNOWNs, 1 FAIL, 0 NAs
60.      IO::Capture S B R D Results by OS and perl version 1639 PASS1 UNKNOWN0 FAIL3 NA 1639 PASSes, 1 UNKNOWN, 0 FAILs, 3 NAs
Chance of all tests passing 0.000% (to 3dp) (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.

code written while listening to
Rabid%20GravyQuantcast
so the bugs are all his fault