print Dumper $ref_Config;  # print() on unopened filehandle Dumper

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Looks like you're missing use Data::Dumper; at the top of the script. The error message is a little confusing because Perl is trying to interpret that print as Indirect Object Syntax (print FILEHANDLE LIST).

Other than that, looks like you've figured out @INC, and I already pointed out %INC, which will give you the location of the file that was actually loaded.

In reply to Re^3: how to get Config values into a hash by haukex
in thread how to get Config values into a hash by Aldebaran

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