Re: Deleting a subfield using MARC::Record

Edward Summers wrote:

> That could work if subfields were objects, but they're just strings. It 
> could simply delete all of them unless a second parameter is passed in, 
> which would basically act like a filter:
> 
> $field->delete_subfield('a', qr/badsubject/);

That sounds pretty good, though I'm working with a database where I 
found a 6xx field with two identical occurrences of subfield 2. So what 
you propose would, I suppose, delete both of them and I'd have to put 
one back in. Add another parameter to specify which occurrence?

Mike