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.\" ========================================================================
.\"
.IX Title "Module::Used 3pm"
.TH Module::Used 3pm "2022-06-15" "perl v5.34.0" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
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.SH "NAME"
Module::Used \- Find modules loaded by Perl code without running it.
.SH "VERSION"
.IX Header "VERSION"
This document describes Module::Used version 1.3.0.
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\&    use Module::Used qw< :all >;
\&
\&    @modules = modules_used_in_files(@files);
\&    @modules = modules_used_in_modules(@module_names);
\&
\&    # "strict", "Find::Bin", "warnings"
\&    @modules = modules_used_in_string(
\&        \*(Aquse strict; require Find::Bin; no warnings;\*(Aq
\&    );
\&
\&    # "Exporter"
\&    @modules = modules_used_in_string( \*(Aquse parent 0.221 qw< Exporter >;\*(Aq );
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
Modules are found statically based upon \f(CW\*(C`use\*(C'\fR and \f(CW\*(C`require\*(C'\fR statements.  If
use of the base or parent is found, both that module and the referenced
ones will be returned.  If Moose or Moose::Role are found, this will
look for \f(CW\*(C`extends\*(C'\fR and \f(CW\*(C`with\*(C'\fR sugar will be looked for; presently, this will
miss modules listed in parentheses.
.PP
Dynamically loaded modules will not be found.
.SH "INTERFACE"
.IX Header "INTERFACE"
Nothing is exported by default, but you can import everything using
the \f(CW\*(C`:all\*(C'\fR tag.
.ie n .IP """ modules_used_in_files( @files ) """ 4
.el .IP "\f(CW modules_used_in_files( @files ) \fR" 4
.IX Item " modules_used_in_files( @files ) "
Return a list of modules used in the specified files.
.Sp
\&\f(CW\*(C`die\*(C'\fRs if there is a problem reading a file.
.ie n .IP """ modules_used_in_modules( @module_names ) """ 4
.el .IP "\f(CW modules_used_in_modules( @module_names ) \fR" 4
.IX Item " modules_used_in_modules( @module_names ) "
Return a list of modules used in the specified modules.
.Sp
\&\f(CW\*(C`die\*(C'\fRs if there any of the modules weren't found in \f(CW@INC\fR.
.ie n .IP """ modules_used_in_string( $string ) """ 4
.el .IP "\f(CW modules_used_in_string( $string ) \fR" 4
.IX Item " modules_used_in_string( $string ) "
Return a list of modules used in the code in the parameter.
.ie n .IP """ modules_used_in_document( $document ) """ 4
.el .IP "\f(CW modules_used_in_document( $document ) \fR" 4
.IX Item " modules_used_in_document( $document ) "
Return a list of modules used in the specified PPI::Document.
.SH "DIAGNOSTICS"
.IX Header "DIAGNOSTICS"
.ie n .IP "Could not find module ""%s"" in @INC." 4
.el .IP "Could not find module ``%s'' in \f(CW@INC\fR." 4
.IX Item "Could not find module %s in @INC."
Cannot find the location of the named module.  Note that this module will not
find any dynamically loaded modules.
.ie n .IP """%s"" does not exist." 4
.el .IP "``%s'' does not exist." 4
.IX Item "%s does not exist."
Cannot find the file.
.ie n .IP """%s"" is not readable." 4
.el .IP "``%s'' is not readable." 4
.IX Item "%s is not readable."
Cannot read the file.
.ie n .IP """%s"" is a directory." 4
.el .IP "``%s'' is a directory." 4
.IX Item "%s is a directory."
The \*(L"file\*(R" was actually a directory.
.ie n .IP "Could not parse ""%s""." 4
.el .IP "Could not parse ``%s''." 4
.IX Item "Could not parse %s."
\&\s-1PPI\s0 could not interpret the file as a Perl document.
.SH "CONFIGURATION AND ENVIRONMENT"
.IX Header "CONFIGURATION AND ENVIRONMENT"
None, currently.
.SH "DEPENDENCIES"
.IX Header "DEPENDENCIES"
Const::Fast
Module::Path
PPI::Document
version
.SH "INCOMPATIBILITIES"
.IX Header "INCOMPATIBILITIES"
None reported.
.SH "BUGS AND LIMITATIONS"
.IX Header "BUGS AND LIMITATIONS"
None reported.
.PP
Please report any bugs or feature requests to \f(CW\*(C`bug\-module\-used@rt.cpan.org\*(C'\fR,
or through the web interface at <http://rt.cpan.org>.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
Devel::Loaded
Module::Extract::Namespaces
Module::ScanDeps
Module::PrintUsed
.SH "AUTHOR"
.IX Header "AUTHOR"
Elliot Shank \f(CW\*(C`<perl@galumph.com>\*(C'\fR
.SH "LICENSE AND COPYRIGHT"
.IX Header "LICENSE AND COPYRIGHT"
Copyright X2008\-2012, Elliot Shank \f(CW\*(C`<perl@galumph.com>\*(C'\fR.
.PP
This module is free software; you can redistribute it and/or modify it under
the same terms as Perl itself. See perlartistic.
.SH "DISCLAIMER OF WARRANTY"
.IX Header "DISCLAIMER OF WARRANTY"
\&\s-1BECAUSE THIS SOFTWARE IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FOR THE
SOFTWARE, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE
STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE
SOFTWARE \*(L"AS IS\*(R" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND
PERFORMANCE OF THE SOFTWARE IS WITH YOU. SHOULD THE SOFTWARE PROVE DEFECTIVE,
YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR, OR CORRECTION.\s0
.PP
\&\s-1IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY
COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR REDISTRIBUTE THE
SOFTWARE AS PERMITTED BY THE ABOVE LICENSE, BE LIABLE TO YOU FOR DAMAGES,
INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING
OUT OF THE USE OR INABILITY TO USE THE SOFTWARE\s0 (\s-1INCLUDING BUT NOT LIMITED TO
LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR
THIRD PARTIES OR A FAILURE OF THE SOFTWARE TO OPERATE WITH ANY OTHER
SOFTWARE\s0), \s-1EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES.\s0