Signing a specific UID identified by an e-mail-address

[Daniel Luebke]

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Hi!

During the CeBIT I attended a keysigning party and obviously I had to
sign some keys.
For validating the e-mail-address I decided to only sign one uid and
mail the key with only that signature.
Because I'm lazy I decided to automate as much as possible and have
following problem:
If I do a gpg --list-keys the primary uid is always the first one.
However using gpg --edit-key uid 1 selects the first created which
needn't be the primary.
So I look for a way to do something like
gpg --edit-key uid email@domain.org
to select a specifig userid which I can extract before by using the
gpg --list-keys command.

Is there anything like this?

Thanks in advance
Daniel
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