I'm going to assume that the real code runs in taint mode, checking that config.ini contains no mischievious pranks. ( That is the case, right?...).

File::Find doesn't work the way you seem to think. It does not return anything but a status. Here's how I'd populate @filesfound:

my @filesfound;
find( sub {eval( "$wanted")
          and push @filesfound, $File::Find::name },
      "$start" );
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After Compline,
Zaxo