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test::minimumversion(3) [centos man page]

Test::MinimumVersion(3) 				User Contributed Perl Documentation				   Test::MinimumVersion(3)

Test::MinimumVersion - does your code require newer perl than you think? VERSION
version 0.101080 SYNOPSIS
Example minimum-perl.t: #!perl use Test::MinimumVersion; all_minimum_version_ok('5.008'); FUNCTIONS
minimum_version_ok minimum_version_ok($file, $version); This test passes if the given file does not seem to require any version of perl newer than $version, which may be given as a version string or a version object. all_minimum_version_ok all_minimum_version_ok($version, \%arg); Given either a version string or a version object, this routine produces a test plan (if there is no plan) and tests each relevant file with "minimum_version_ok". Relevant files are found by File::Find::Rule::Perl. "\%arg" is optional. Valid arguments are: paths - in what paths to look for files; defaults to (t, lib, xt/smoke, and any .pm or .PL files in the current working directory) if it contains files, they will be checked no_plan - do not plan the tests about to be run all_minimum_version_from_metayml_ok all_minimum_version_from_metayml_ok(\%arg); This routine checks META.yml for an entry in requires for perl. If no META.yml file or no perl version is found, all tests are skipped. If a version is found, the test proceeds as if "all_minimum_version_ok" had been called with that version. AUTHOR
This software is copyright (c) 2007 by Ricardo Signes. This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself. perl v5.16.3 2010-04-18 Test::MinimumVersion(3)

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Perl::MinimumVersion(3pm)				User Contributed Perl Documentation				 Perl::MinimumVersion(3pm)

Perl::MinimumVersion - Find a minimum required version of perl for Perl code SYNOPSIS
# Create the version checking object $object = Perl::MinimumVersion->new( $filename ); $object = Perl::MinimumVersion->new( $source ); $object = Perl::MinimumVersion->new( $ppi_document ); # Find the minimum version $version = $object->minimum_version; DESCRIPTION
"Perl::MinimumVersion" takes Perl source code and calculates the minimum version of perl required to be able to run it. Because it is based on PPI, it can do this without having to actually load the code. Currently it tests both the syntax of your code, and the use of explicit version dependencies such as "require 5.005". Future plans are to also add support for tracing module dependencies. Using "Perl::MinimumVersion" is dead simple, the synopsis pretty much covers it. METHODS
new # Create the version checking object $object = Perl::MinimumVersion->new( $filename ); $object = Perl::MinimumVersion->new( $source ); $object = Perl::MinimumVersion->new( $ppi_document ); The "new" constructor creates a new version checking object for a PPI::Document. You can also provide the document to be read as a file name, or as a "SCALAR" reference containing the code. Returns a new "Perl::MinimumVersion" object, or "undef" on error. Document The "Document" accessor can be used to get the PPI::Document object back out of the version checker. minimum_version The "minimum_version" method is the primary method for finding the minimum perl version required based on "all" factors in the document. At the present time, this is just syntax and explicit version checks, as Perl::Depends is not yet completed. Returns a version object, or "undef" on error. minimum_explicit_version The "minimum_explicit_version" method checks through Perl code for the use of explicit version dependencies such as. use 5.006; require 5.005_03; Although there is almost always only one of these in a file, if more than one are found, the highest version dependency will be returned. Returns a version object, false if no dependencies could be found, or "undef" on error. minimum_syntax_version $limit The "minimum_syntax_version" method will explicitly test only the Document's syntax to determine it's minimum version, to the extent that this is possible. It takes an optional parameter of a version object defining the the lowest known current value. For example, if it is already known that it must be 5.006 or higher, then you can provide a param of qv(5.006) and the method will not run any of the tests below this version. This should provide dramatic speed improvements for large and/or complex documents. The limitations of parsing Perl mean that this method may provide artifically low results, but should not artificially high results. For example, if "minimum_syntax_version" returned 5.006, you can be confident it will not run on anything lower, although there is a chance that during actual execution it may use some untestable feature that creates a dependency on a higher version. Returns a version object, false if no dependencies could be found, or "undef" on error. minimum_external_version WARNING: This method has not been implemented. Any attempted use will throw an exception The "minimum_external_version" examines code for dependencies on other external files, and recursively traverses the dependency tree applying the same tests to those files as it does to the original. Returns a "version" object, false if no dependencies could be found, or "undef" on error. version_markers This method returns a list of pairs in the form: ($version, @markers) Each pair represents all the markers that could be found indicating that the version was the minimum needed version. @markers is an array of strings. Currently, these strings are not as clear as they might be, but this may be changed in the future. In other words: don't rely on them as specific identifiers. BUGS
Perl::MinimumVersion does a reasonable job of catching the best-known explicit version dependencies. However it is exceedingly easy to add a new syntax check, so if you find something this is missing, copy and paste one of the existing 5 line checking functions, modify it to find what you want, and report it to, along with the version needed. I don't even need an entire diff... just the function and version. TO DO
Write lots more version checkers - Perl 5.10 operators and language structures - Three-argument open Write the explicit version checker Write the recursive module descend stuff Check for more 5.12 features (currently only detecting "package NAME VERSION;", "...", and "use feature ':5.12'") SUPPORT
All bugs should be filed via the CPAN bug tracker at <> For other issues, or commercial enhancement or support, contact the author. AUTHORS
Adam Kennedy <> SEE ALSO
<>, PPI, version COPYRIGHT
Copyright 2005 - 2011 Adam Kennedy. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. The full text of the license can be found in the LICENSE file included with this module. perl v5.10.1 2011-03-02 Perl::MinimumVersion(3pm)
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