It's not the 'after' that's important. The warning is your grep condition telling you the data is wrong (i.e. different than expected) before grep is called. Data::Dumper shows us this bad data: the extra "{}" at the end of the list in the 'before' dump. What you must do now is figure out how that extra (fieldless) record is being added to your 'database'.

In reply to Re^3: Using grep to remove array element from HoAoH leaving empty array-hash element by ikegami
in thread Using grep to remove array element from HoAoH leaving empty array-hash element by Popcorn Dave

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