Excellent! Thanks Anastasia for the info. 

Melissa Pangelinan, Ph.D.
Postdoctoral Research Fellow 
Rotman Research Institute
3560 Bathurst Street
Brain Health Complex Room 904
Toronto, Ontario M6A 2E1
phone: 416.785.2500 x3352
web: http://melissapangelinan.weebly.com/

> On Jun 16, 2015, at 2:32 PM, Anastasia Yendiki <ayend...@nmr.mgh.harvard.edu> 
> wrote:
> 
> 
> Hi Melissa - The option to have a different gradient table for each subject 
> was added after the 5.3 release, in a tracula update:
> 
> http://surfer.nmr.mgh.harvard.edu/fswiki/Tracula#Updates
> 
> If you don't have that update, it's not going to recognize bveclist.
> 
> Best,
> a.y
> 
>> On Thu, 11 Jun 2015, Melissa Pangelinan wrote:
>> 
>> Hi,
>> I am trying to run trac-all using 
>> freesurfer-Linux-centos6_x86_64-stable-pub-v5.3.0
>> If I set up the configuration file with just one subject as a test, trac-all 
>> runs without errors. However, when I update the configuration
>> file for more than one subject, I get the following error:
>> mv -f /scratch/mpangeli/DT_Output/MRI_10315/dmri/dwi_orig_flip.mghdti.bvecs 
>> /scratch/mpangeli/DT_Output/MRI_10315/dmri/bvecs
>> mv: cannot stat 
>> `/scratch/mpangeli/DT_Output/MRI_10315/dmri/dwi_orig_flip.mghdti.bvecs': No 
>> such file or directory
>> Linux gpc-f103n084-ib0 2.6.32-504.3.3.el6.x86_64 #1 SMP Wed Dec 17 01:55:02 
>> UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
>> trac-preproc exited with ERRORS at Wed Jun 10 23:37:25 EDT 2015
>> The only differences between the two configuration files are:
>> 1) Listing all subjects in the "set dcmlist"
>> 2) Using "set bveclist" instead of "set bvecfile"
>> For example: 
>> set bvecfile = /scratch/mpangeli/DTI/MRI_10315/MRI_10315.bvecs
>> vs. 
>> set bveclist = (/scratch/mpangeli/DTI/MRI_10315/MRI_10315.bvecs \
>> /scratch/mpangeli/DTI/MRI_10316/MRI_10316.bvecs \
>> /scratch/mpangeli/DTI/MRI_10317/MRI_10317.bvecs \
>> /scratch/mpangeli/DTI/MRI_10318/MRI_10318.bvecs)
>> Clearly #2 is the issue (it can't find the bvec files) but I don't know how 
>> to modify the configuration file to correctly call the list of
>> paths to each subject's bvec file. 
>> Any help on this error is much appreciated.
>> -Melissa
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