On Aug 30, 2012, at 11:56 PM, Matthew Seaman <matt...@freebsd.org> wrote:
> On 30/08/2012 22:44, John Nielsen wrote:
>> After dialog(1) exits the script has a list of packages to mark as
>> automatic. Is there a non-SQL way to efficiently get the inverse?
>> I.e. the set { all_packages - new_automatic_package_list } ?
>
> Use pkg query - it is really quite powerful. This shows all
> non-autoremove packages as name-version:
>
> pkg query -e '%a == 0' '%n-%v'
>
> and this shows the port origin for all autoremove packages:
>
> pkg query -e '%a == 1' '%o'
Thanks. I know about pkg query (and in fact my script uses something very much
like that to get the initial list of automatic packages). What I was trying to
do was get a list of packages installed but not in another list. The other list
represents _future_ automatic packages but not necessarily what is in the
database now.
In any case, I worked around it but first unsetting all packages and then
setting the user-selected list back to automatic.
JN
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