Re: [Condor-users] Variable expressions in transfer_input_files

[Todd Tannenbaum <tannenba@xxxxxxxxxxx>]

Greg Thain wrote:
> Martin Steele wrote:
> > Hi,
> >
> > I'm trying to expand file names for files I want to transfer as mentioned in the thread that ended with:
> >
> > https://lists.cs.wisc.edu/archive/condor-users/2008-June/msg00058.shtml
> >
> > However, I'm not having any success. Basically, I want to send the input file depending on the matched Arch, so I've been trying something like:
> >
> > transfer_input_files = stub.$$([Arch])
>
> The $$([ syntax won't work in Condor 7.0, it was fixed in 7.1.  In this 
> case, though, since you just need to lookup ARCH, and not evaluate it, 
> the older $$(ARCH) syntax should work.  It should work, but it won't, 
> because condor_submit is (un)helpfully trying to pre-verify that your 
> input file exists before submitting the job.  Since condor_submit 
> doesn't know what ARCH is going to expand to, it looks for the literal 
> string stub.$$(ARCH), and doesn't find it, and returns the error message 
> you see.  You can work around this problem by creating a zero-length 
> file named, literally, "stub.$$(ARCH)".  condor_submit will see that 
> this exists at submit time, but the shadow will expand it to the correct 
> value at run time.  This is a hack.

Just for the record:  instead of the above hack, starting with Condor 
v7.1.4 and above you can also work around this by invoking condor_submit 
with the "-disable" flag (to disable file permission checking), or in 
your submit file add the line:
   SUBMIT_SKIP_FILECHECKS = True

regards,
Todd