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📘 CPAN::Version(3perl) Perl Programmers Reference Guide CPAN::Version(3perl)

📝 NAME

CPAN::Version - utility functions to compare CPAN versions

🚀 Quick Reference

Use Case	Command	Description
Compare two versions (greater than)	CPAN::Version->vgt("1.1","1.1.1")	Returns 1 if first is greater
Compare two versions (less than)	CPAN::Version->vlt("1.1","1.1")	Returns 0 if not less
Compare two versions (spaceship)	CPAN::Version->vcmp("1.1","1.1.1")	Returns 1, 0, or -1
Make version readable	CPAN::Version->readable(v1.2.3)	Returns "v1.2.3"
Convert to v-string	CPAN::Version->vstring("v1.2.3")	Returns v1.2.3
Convert float to vv	CPAN::Version->float2vv(1.002003)	Returns "v1.2.3"

📄 SYNOPSIS

use CPAN::Version;

CPAN::Version->vgt("1.1","1.1.1");    # 1 bc. 1.1 > 1.001001

CPAN::Version->vlt("1.1","1.1");      # 0 bc. 1.1 not < 1.1

CPAN::Version->vcmp("1.1","1.1.1");   # 1 bc. first is larger

CPAN::Version->vcmp("1.1.1","1.1");   # -1 bc. first is smaller

CPAN::Version->readable(v1.2.3);      # "v1.2.3"

CPAN::Version->vstring("v1.2.3");     # v1.2.3

CPAN::Version->float2vv(1.002003);    # "v1.2.3"

📖 DESCRIPTION

This module mediates between some version that perl sees in a package and the version that is published by the CPAN indexer.

It's only written as a helper module for both CPAN.pm and CPANPLUS.pm.

As it stands it predates version.pm but has the same goal: make version strings visible and comparable.

📜 LICENSE

This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

perl v5.34.0 2026-06-23 CPAN::Version(3perl)

📘 CPAN::Version(3perl) Perl Programmers Reference Guide CPAN::Version(3perl) 📝 NAME 🚀 Quick Reference 📄 SYNOPSIS 📖 DESCRIPTION 📜 LICENSE