Bug#521609: Warning: Name "Archive::Tar::WARN" used only once: possible typo

[Niko Tyni]

On Sat, Mar 28, 2009 at 11:30:32PM +0100, Vincent Lefevre wrote:
> Package: perl-modules
> Version: 5.10.0-19
> Severity: minor

> #!/usr/bin/env perl
> use warnings;
> require Archive::Tar;
> $Archive::Tar::WARN = 0;
> 
> gives the following warning when run:
> 
> vin:~> ./tst
> Name "Archive::Tar::WARN" used only once: possible typo at ./tst line 4.

This is expected behaviour: it's a compile-time warning and you're
explicitly loading Archive::Tar at run time.

> A workaround can be to duplicate the line
> 
>   $Archive::Tar::WARN = 0;

Indeed, this is even mentioned in the corresponding 'perldiag' entry.
Alternatively, either of

 use vars qw($Archive::Tar::WARN);
 no warnings 'once';

would also do.

What exactly do you want fixed here?
-- 
Niko Tyni   ntyni at debian.org