How the command "at" works?

[Peng Yu]

On Saturday, August 6, 2016, Karl Auer <kauer at biplane.com.au> wrote:

> On Sat, 2016-08-06 at 09:34 -0500, Peng Yu wrote:
> > I need atd be aware of any bash function defined in the bash shell
> > when at is called. I don't think this is possible with the current
> > version of at,
>
> No - but the point of my last message was that it is easy to change
> at/atd because you have the source code.
>
> I don't understand what you mean by "be aware of any bash function
> defined in the bash shell".
>
> Do you mean that there are bash functions defined in your environment,
> and you want the at-jobs to be able to call them?


Yes.


>  I just did a quick
> test with sh functions and they do not end up in the atjob. I'd already
> discarded my bash mods, so cannot test whether they are passed in the
> bash environment - you can test that yourself :-)
>
> If the functions are not passed to atd, there are several ways around
> it that do not involve rewriting at/atd, but first tell us if that is
> in fact what you want.
>
> And if it is, do you need your atjobs to have ad hoc access to any
> functions that happen to be defined by any user that happens to create
> them, or do you need your atjobs to have access to a particular set of
> functions?


The latter. I want atjobs have access to everything (including shell
varibles and fuctions) in the user shell when at cammand is called.

>
> Regards, K.
>
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-- 
Regards,
Peng
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