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.\" ========================================================================
.\"
.IX Title "CPAN::DistnameInfo 3pm"
.TH CPAN::DistnameInfo 3pm "2022-12-04" "perl v5.36.0" "User Contributed Perl Documentation"
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.SH "NAME"
CPAN::DistnameInfo \- Extract distribution name and version from a distribution filename
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\&  my $pathname = "authors/id/G/GB/GBARR/CPAN\-DistnameInfo\-0.02.tar.gz";
\&
\&  my $d = CPAN::DistnameInfo\->new($pathname);
\&
\&  my $dist      = $d\->dist;      # "CPAN\-DistnameInfo"
\&  my $version   = $d\->version;   # "0.02"
\&  my $maturity  = $d\->maturity;  # "released"
\&  my $filename  = $d\->filename;  # "CPAN\-DistnameInfo\-0.02.tar.gz"
\&  my $cpanid    = $d\->cpanid;    # "GBARR"
\&  my $distvname = $d\->distvname; # "CPAN\-DistnameInfo\-0.02"
\&  my $extension = $d\->extension; # "tar.gz"
\&  my $pathname  = $d\->pathname;  # "authors/id/G/GB/GBARR/..."
\&
\&  my %prop = $d\->properties;
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
Many online services that are centered around \s-1CPAN\s0 attempt to
associate multiple uploads by extracting a distribution name from
the filename of the upload. For most distributions this is easy as
they have used ExtUtils::MakeMaker or Module::Build to create the
distribution, which results in a uniform name. But sadly not all
uploads are created in this way.
.PP
\&\f(CW\*(C`CPAN::DistnameInfo\*(C'\fR uses heuristics that have been learnt by
<http://search.cpan.org/> to extract the distribution name and
version from filenames and also report if the version is to be
treated as a developer release
.PP
The constructor takes a single pathname, returning an object with the following methods
.IP "cpanid" 4
.IX Item "cpanid"
If the path given looked like a \s-1CPAN\s0 authors directory path, then this will be the
the \s-1CPAN\s0 id of the author.
.IP "dist" 4
.IX Item "dist"
The name of the distribution
.IP "distvname" 4
.IX Item "distvname"
The file name with any suffix and leading directory names removed
.IP "filename" 4
.IX Item "filename"
If the path given looked like a \s-1CPAN\s0 authors directory path, then this will be the
path to the file relative to the detected \s-1CPAN\s0 author directory. Otherwise it is the path
that was passed in.
.IP "maturity" 4
.IX Item "maturity"
The maturity of the distribution. This will be either \f(CW\*(C`released\*(C'\fR or \f(CW\*(C`developer\*(C'\fR
.IP "extension" 4
.IX Item "extension"
The extension of the distribution, often used to denote the archive type (e.g. 'tar.gz')
.IP "pathname" 4
.IX Item "pathname"
The pathname that was passed to the constructor when creating the object.
.IP "properties" 4
.IX Item "properties"
This will return a list of key-value pairs, suitable for assigning to a hash,
for the known properties.
.IP "version" 4
.IX Item "version"
The extracted version
.SH "AUTHOR"
.IX Header "AUTHOR"
Graham Barr <gbarr@pobox.com>
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright (c) 2003 Graham Barr. All rights reserved. This program is
free software; you can redistribute it and/or modify it under the same
terms as Perl itself.