Re: [Condor-users] Looping in Condor job description scripts?

[Dan Bradley <dan@xxxxxxxxxxxx>]

Hi Wei,

Yes, Condor 7.2.2 is recent enough to use the $$([ ... ]) ClassAd 
expression syntax in the way that was suggested.

Here's one way to get 6-digit numbers of equal length with leading zeros:

Arguments = 
"$$([substr(strcat(string(0),string(0),string(0),string(0),string(0),string(0),string($(Process))),-6)])"

This produces the sequence

000000
000001
000002
...

To my surprise, the following somewhat simpler expression did not work:

Arguments = "$$([substr(strcat(""000000"",string($(Process))),-6)])"

It seems that double quotes are not correctly handled inside of $$([ ... 
]) expressions.

--Dan

Wei Wang wrote:
> Hi Alan and David,
>
> Thanks for the suggestions. David's suggestion works for our Condor 
> cluster. However, how "recent" is recent enough for Alan's scripts? 
> Our Condor is version 7.2.2. Could there be another way (more general) 
> of forming these number strings that have equal length?
>
> Thanks!
>
> --- Wei
>
> On Thu, Apr 9, 2009 at 5:24 AM, Alan Woodland <alan.woodland@xxxxxxxxx 
> <mailto:alan.woodland@xxxxxxxxx>> wrote:
>
>     2009/4/9 David Brodbeck <brodbd@xxxxxxxxxxxxxxxx
>     <mailto:brodbd@xxxxxxxxxxxxxxxx>>:
>     >
>     > On Apr 8, 2009, at 4:23 PM, Wei Wang wrote:
>     >
>     >> Hi, dear Condor-users,
>     >>
>     >> Is it possible to do looping inside a Condor job description file?
>     >> Here is logic of describing what I want to do:
>     >>
>     >> ......
>     >> Arguments = $(parameter)
>     >> ......
>     >> DO i = 1, N
>     >> parameter = i
>     >> queue
>     >> ENDDO
>     >>
>     >> So I can submit N jobs without the trouble of using Shell/Perl/
>     >> Python to generate N different files then use condor_submit N
>     times.
>     >>
>     >> Thanks!
>     >
>     > How about:
>     >
>     > ....
>     > Arguments = $(Process)
>     > ....
>     > Queue N
>     >
>     > $(Process) starts at 0 and increments as each job is queued.
>     >
>     Or with recent versions this trick works:
>
>     Arguments = $$([$(Process) + 100])
>
>     Would cause the arguments to start at 100 instead of 0.
>
>     Alan
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