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variables /$]
(source,CPAN)
You are viewing the version of this documentation from Perl 5.14.1.View the latest version
#$OLD_PERL_VERSION
#$]

See$^V for a more modern representation of the Perl version that allows accurate string comparisons.

The version + patchlevel / 1000 of the Perl interpreter. This variable can be used to determine whether the Perl interpreter executing a script is in the right range of versions:

warn "No checksumming!\n" if $] < 3.019;

The floating point representation can sometimes lead to inaccurate numeric comparisons.

See also the documentation ofuse VERSION andrequire VERSION for a convenient way to fail if the running Perl interpreter is too old.

Mnemonic: Is this version of perl in the right bracket?

Deprecated in Perl 5.6.

Perldoc Browser is maintained by Dan Book (DBOOK). Please contact him via theGitHub issue tracker oremail regarding any issues with the site itself, search, or rendering of documentation.

The Perl documentation is maintained by the Perl 5 Porters in the development of Perl. Please contact them via thePerl issue tracker, themailing list, orIRC to report any issues with the contents or format of the documentation.


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