in reply to Re^2: how to capture status codes of mongodb in perl
in thread how to capture status codes of mongodb in perl

You can dereference the reference 
print %$err;

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or, better, use Data::Dumper: 

use Data::Dumper;
print Dumper $err;

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لսႽ† ᥲᥒ⚪⟊Ⴙᘓᖇ Ꮅᘓᖇ⎱ Ⴙᥲ𝇋ƙᘓᖇ

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