[Dovecot] changing flags automatically

[Timo Sirainen]

On Thu, 2013-03-28 at 14:56 +0100, Lutz Preßler wrote:
> Hello,
> 
> (2.2:) there is no doveadm subcommand to change flags of messages, is it?

Nope.

> The following should work reliably?
> 
> # mark messages with subject $SUBJECT in mailbox $MAILBOX of user $USERID as read
> ( i=2
>   echo "1 SELECT "$MAILBOX
>   doveadm search -u $USERID mailbox $MAILBOX subject "$SUBJECT" \
>   | while read g u
>   do  
>     echo $i" UID STORE "$u" flags (\Seen)"
>     i=$((i+1));
>   done
>   echo "0 LOGOUT"
> ) | /usr/lib/dovecot/imap -u $USERID

I guess it does, but a much easier way:

printf "a select $MAILBOX\nb search return (save) subject \"$SUBJECT
\""\n3 store $ +flags \\seen\n" | doveadm exec imap -u $USERID

You probably want +flags, not flags, so it won't touch non-seen flags.