Hi Julie!

The action resolves at the completion time of the job it is attached to, deleting datasets of any other already-completed jobs in that workflow which are not marked as an output step (with a highlighted snowflake). This will *not* delete datasets of any job marked as an output.

Perhaps the confusion is that they're also marked as 'hidden' since they are not output steps?

The general use-case for this is to put it on one of the 'final' steps of a workflow (or multiple if you have a workflow with two long parallel tracks) to clean up and delete datasets from intermediate jobs (which have already completed) that you don't want to save as an output.

-Dannon

On Tue, Sep 23, 2014 at 4:03 AM, julie dubois <dubjulie@gmail.com> wrote:

Hi all,
I'm not sure how do this post-action act . I've been make some test
and it's very confused for me.

First, can this post-action be used on output which are used on other
steps of the workflow ? if yes, I suppose that galaxy wait for end of
use of this output before deleting.

Second, must I higlight the snowfalke of this output to permit its
deletion or must I keep the snowflake in grey ?

I post this question in galaxy-dev because I've added this
post-action on several outputs in my workflow and it has had no effect
on my outputs. And when I open the .ga file which describe my
workflow, I've seen just one of this post-action in one output.

Thanks.

Julie
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