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.\" ========================================================================
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.\" ========================================================================
.\"
.IX Title "V 3pm"
.TH V 3pm "2022-05-30" "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.
.if n .ad l
.nh
.SH "NAME"
V \- Print version of the specified module(s).
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\&    $ perl \-MV=V
.Ve
.PP
or if you want more than one
.PP
.Vb 1
\&    $ perl \-MV=CPAN,V
.Ve
.PP
Can now also be used as a light-weight module for getting versions of
modules without loading them:
.PP
.Vb 2
\&    require V;
\&    printf "%s has version \*(Aq%s\*(Aq\en", "V", V::get_version( "V" );
.Ve
.PP
If you want all available files/versions from \f(CW@INC\fR:
.PP
.Vb 5
\&    require V;
\&    my @all_V = V::Module::Info\->all_installed("V");
\&    printf "%s:\en", $all_V[0]\->name;
\&    printf "\et%\-50s \- %s\en", $_\->file, $_\->version
\&        for @all_V;
.Ve
.PP
Each element in that array isa \f(CW\*(C`V::Module::Info\*(C'\fR object with 3 attributes and a method:
.IP "\fIattribute\fR \fBname\fR" 4
.IX Item "attribute name"
The package name.
.IP "\fIattribute\fR \fBfile\fR" 4
.IX Item "attribute file"
Full filename with directory.
.IP "\fIattribute\fR \fBdir\fR" 4
.IX Item "attribute dir"
The base directory (from \f(CW@INC\fR) where the package-file was found.
.IP "\fImethod\fR \fBversion\fR" 4
.IX Item "method version"
This method will look through the file to see if it can find a version
assignment in the file and uses that determine the version. As of version
0.13_01, all versions found are passed through the version module.
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This module uses stolen code from Module::Info to find the location
and version of the specified module(s). It prints them and \fBexit()\fRs.
.PP
It defines \f(CW\*(C`import()\*(C'\fR and is based on an idea from Michael Schwern
on the perl5\-porters list. See the discussion:
.PP
.Vb 1
\&  https://www.nntp.perl.org/group/perl.perl5.porters/2002/01/msg51007.html
.Ve
.SS "V::get_version($pkg)"
.IX Subsection "V::get_version($pkg)"
Returns the version of the first available file for this package as found by
following \f(CW@INC\fR.
.PP
\fIArguments\fR
.IX Subsection "Arguments"
.ie n .IP "1. $pkg" 4
.el .IP "1. \f(CW$pkg\fR" 4
.IX Item "1. $pkg"
The name of the package for which one wants to know the version.
.PP
\fIResponse\fR
.IX Subsection "Response"
.PP
This \f(CW\*(C`V::get_version()\*(C'\fR returns the version of the file that was first found
for this package by following \f(CW@INC\fR or \f(CW\*(C`undef\*(C'\fR if no file was found.
.SH "AUTHOR"
.IX Header "AUTHOR"
Abe Timmerman \f(CW\*(C`<abeltje@cpan.org>\*(C'\fR.
.SH "COPYRIGHT & LICENSE"
.IX Header "COPYRIGHT & LICENSE"
Copyright 2002\-2006 Abe Timmerman, All Rights Reserved.
.PP
This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.
.PP
This program is distributed in the hope that it will be useful,
but \s-1WITHOUT ANY WARRANTY\s0; without even the implied warranty of
\&\s-1MERCHANTABILITY\s0 or \s-1FITNESS FOR A PARTICULAR PURPOSE.\s0