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.\" ========================================================================
.\"
.IX Title "Module::CoreList::Utils 3"
.TH Module::CoreList::Utils 3 "2020-02-29" "perl v5.30.2" "Perl Programmers Reference Guide"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
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.SH "NAME"
Module::CoreList::Utils \- what utilities shipped with versions of perl
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\& use Module::CoreList::Utils;
\&
\& print $Module::CoreList::Utils::utilities{5.009003}{ptar}; # prints 1
\&
\& print Module::CoreList::Utils\->first_release(\*(Aqcorelist\*(Aq);
\& # prints 5.008009
\&
\& print Module::CoreList::Utils\->first_release_by_date(\*(Aqcorelist\*(Aq);
\& # prints 5.009002
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
Module::CoreList::Utils provides information on which core and dual-life utilities shipped
with each version of perl.
.PP
It provides a number of mechanisms for querying this information.
.PP
There is a functional programming \s-1API\s0 available for programmers to query
information.
.PP
Programmers may also query the contained hash structure to find relevant
information.
.SH "FUNCTIONS API"
.IX Header "FUNCTIONS API"
These are the functions that are available, they may either be called as functions or class methods:
.PP
.Vb 1
\&  Module::CoreList::Utils::first_release(\*(Aqcorelist\*(Aq); # as a function
\&
\&  Module::CoreList::Utils\->first_release(\*(Aqcorelist\*(Aq); # class method
.Ve
.ie n .IP """utilities""" 4
.el .IP "\f(CWutilities\fR" 4
.IX Item "utilities"
Requires a perl version as an argument, returns a list of utilities that shipped with
that version of perl, or undef/empty list if that perl doesn't exist.
.ie n .IP """first_release( UTILITY )""" 4
.el .IP "\f(CWfirst_release( UTILITY )\fR" 4
.IX Item "first_release( UTILITY )"
Requires a \s-1UTILITY\s0 name as an argument, returns the perl version when that utility first
appeared in core as ordered by perl version number or undef ( in scalar context )
or an empty list ( in list context ) if that utility is not in core.
.ie n .IP """first_release_by_date( UTILITY )""" 4
.el .IP "\f(CWfirst_release_by_date( UTILITY )\fR" 4
.IX Item "first_release_by_date( UTILITY )"
Requires a \s-1UTILITY\s0 name as an argument, returns the perl version when that utility first
appeared in core as ordered by release date or undef ( in scalar context )
or an empty list ( in list context ) if that utility is not in core.
.ie n .IP """removed_from( UTILITY )""" 4
.el .IP "\f(CWremoved_from( UTILITY )\fR" 4
.IX Item "removed_from( UTILITY )"
Takes a \s-1UTILITY\s0 name as an argument, returns the first perl version where that utility
was removed from core. Returns undef if the given utility was never in core or remains
in core.
.ie n .IP """removed_from_by_date( UTILITY )""" 4
.el .IP "\f(CWremoved_from_by_date( UTILITY )\fR" 4
.IX Item "removed_from_by_date( UTILITY )"
Takes a \s-1UTILITY\s0 name as an argument, returns the first perl version by release date where that
utility was removed from core. Returns undef if the given utility was never in core or remains
in core.
.SH "DATA STRUCTURES"
.IX Header "DATA STRUCTURES"
These are the hash data structures that are available:
.ie n .IP "%Module::CoreList::Utils::utilities" 4
.el .IP "\f(CW%Module::CoreList::Utils::utilities\fR" 4
.IX Item "%Module::CoreList::Utils::utilities"
A hash of hashes that is keyed on perl version as indicated
in $].  The second level hash is utility / defined pairs.
.SH "AUTHOR"
.IX Header "AUTHOR"
Chris \f(CW\*(C`BinGOs\*(C'\fR Williams <chris@bingosnet.co.uk>
.PP
Currently maintained by the perl 5 porters <perl5\-porters@perl.org>.
.PP
This module is the result of archaeology undertaken during \s-1QA\s0 Hackathon
in Lancaster, April 2013.
.SH "LICENSE"
.IX Header "LICENSE"
Copyright (C) 2013 Chris Williams.  All Rights Reserved.
.PP
This module is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
corelist, Module::CoreList, perl, <http://perlpunks.de/corelist>