It was hard to spot. The reason it's a strict error is that 
use Data::Dumper my %count;

[download]

is the same as 

BEGIN {
   require Data::Dumper;
   import Data::Dumper my %count;
}

[download]

The curlies of the implicit BEGIN limited the scope of the lexical.

In reply to Re^2: Help on variable declaration with "use strict " by ikegami
in thread Help on variable declaration with "use strict " by Anonymous Monk

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