1Perl::Metrics::Simple(3U)ser Contributed Perl DocumentatiPoenrl::Metrics::Simple(3)
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6 Perl::Metrics::Simple - Count packages, subs, lines, etc. of many
7 files.
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10 use Perl::Metrics::Simple;
11 my $analyzer = Perl::Metrics::Simple->new;
12 my $analysis = $analyzer->analyze_files(@paths, @refs_to_file_contents);
13 $file_count = $analysis->file_count;
14 $package_count = $analysis->package_count;
15 $sub_count = $analysis->sub_count;
16 $lines = $analysis->lines;
17 $main_stats = $analysis->main_stats;
18 $file_stats = $analysis->file_stats;
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21 Perl::Metrics::Simple provides just enough methods to run static
22 analysis of one or many Perl files and obtain a few metrics: packages,
23 subroutines, lines of code, and an approximation of cyclomatic (mccabe)
24 complexity for the subroutines and the "main" portion of the code.
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26 Perl::Metrics::Simple is far simpler than Perl::Metrics.
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28 Installs a script called countperl.
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31 See the countperl script (included with this distribution) for a simple
32 example of usage.
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35 new
36 Takes no arguments and returns a new Perl::Metrics::Simple object.
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38 is_perl_file
39 Takes a path and returns true if the target is a Perl file.
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42 analyze_files( @paths, @refs_to_file_contents )
43 Takes an array of files and or directory paths, and/or SCALAR refs to
44 file contents and returns an Perl::Metrics::Simple::Analysis object.
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46 find_files( @directories_and_files )
47 Uses list_perl_files to find all the readable Perl files and returns a
48 reference to a (possibly empty) list of paths.
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50 list_perl_files
51 Takes a list of one or more paths and returns an alphabetically sorted
52 list of only the perl files. Uses is_perl_file so may throw an
53 exception if a file is unreadable.
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55 is_perl_file($path)
56 Takes a path to a file and returns true if the file appears to be a
57 Perl file, otherwise returns false.
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59 If the file name does not match any of
60 @Perl::Metrics::Simple::PERL_FILE_SUFFIXES then the file is opened for
61 reading and the first line examined for a a Perl 'shebang' line. An
62 exception is thrown if the file cannot be opened in this case.
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64 should_be_skipped($path)
65 Returns true if the path should be skipped when looking for Perl files.
66 Currently skips .svn, CVS, and _darcs directories.
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69 See: http://rt.cpan.org/NoAuth/Bugs.html?Dist=Perl-Metrics-Simple
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72 Via CPAN:
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74 Disussion Forum
75 http://www.cpanforum.com/dist/Perl-Metrics-Simple
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77 Bug Reports
78 http://rt.cpan.org/NoAuth/Bugs.html?Dist=Perl-Metrics-Simple
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81 Matisse Enzer
82 CPAN ID: MATISSE
83 Eigenstate Consulting, LLC
84 matisse@eigenstate.net
85 http://www.eigenstate.net/
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88 Copyright (c) 2006-2009 by Eigenstate Consulting, LLC.
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90 This program is free software; you can redistribute it and/or modify it
91 under the same terms as Perl itself.
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93 The full text of the license can be found in the LICENSE file included
94 with this module.
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97 The countperl script included with this distribution.
98 PPI
99 Perl::Critic
100 Perl::Metrics
101 http://en.wikipedia.org/wiki/Cyclomatic_complexity
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105perl v5.34.0 2021-07-22 Perl::Metrics::Simple(3)