Import all keys from signatures

[David Shaw]

On Mar 5, 2009, at 4:48 AM, Dirk Zemisch wrote:

> Hi,
>
> i'm just had some trouble with my keyrings and after all recovery  
> etc. a
> lot of keys I earlier received are gone.
>
> But a lot of them are named in the sigs of my own key. Is there a
> possibility to read out all key-IDs from the sigs and import the  
> related
> keys from a keyserver? Maybe someone here wrote a script or so?
>
> I'm using WinXP and Ubuntu on the same keyring, so OS is not really
> relevant.

Sure.  On the Ubuntu system, do this:

gpg --recv-keys `gpg --with-colons --list-sigs YOUR-KEY-ID-HERE |  
egrep '^sig' | cut -d: -f5 | uniq`

David