Re: [HTCondor-users] Getting tangled in $$() and $$([])

[Jaime Frey <jfrey@xxxxxxxxxxx>]

> On Jul 11, 2017, at 3:24 PM, Michael Pelletier <Michael.V.Pelletier@xxxxxxxxxxxx> wrote:
> 
> Basically what I'm trying to do is change the input arguments if NumJobStarts > 1, in order to add a snapshot file argument from an attribute generated in a PreCmd and delivered via condor_chirp. But it seems like in order to do this I'd need to specify the Args directly as a +Args ClassAd expression as opposed to a submit description arguments command.
> 
> The $() is only good for machine attributes, as the documentation describes, but I take it that $$([]) is also similarly restricted to machine attributes even though you can specify "TARGET" in there?


With $$([]), the expression is evaluated as if it appeared in the job ad, with the machine ad available as a TARGET. That is, attributes with no scoping prefix are looked up first in the job ad, and then the machine ad.

 - Jaime