Hi Gonzalo - This has come up a few times recently. Please see here: http://www.mail-archive.com/freesurfer@nmr.mgh.harvard.edu/msg23064.html

Hope this helps, a.y

On Mon, 30 Jul 2012, Gonzalo Rojas Costa wrote:

Hi:

I ran "trac-all -prep -c dmrirc" and it finished ok... Then, when I tried to run the command "trac-all -bedp -c dmrirc", I got the error:

ln -sf /usr/local/freesurfer/subjects/bmvf_23_7_2012/dlabel/diff/anat_brain_mask.bbr.nii.gz /usr/local/freesurfer/subjects/bmvf_23_7_2012/dmri/nodif_brain_mask.nii.gz ln -sf /usr/local/freesurfer/subjects/bmvf_23_7_2012/dmri/dwi.nii.gz /usr/local/freesurfer/subjects/bmvf_23_7_2012/dmri/data.nii.gz WARN: Running FSL's bedbost locally - this might take a while WARN: It is recommended to run this step on a cluster bedpostx_seychelles /usr/local/freesurfer/subjects/bmvf_23_7_2012/dmri subjectdir is /usr/local/freesurfer/subjects/bmvf_23_7_2012/dmri Making bedpostx directory structure Queuing preprocessing stages [: 223: NONE: unexpected operator [: 314: NONE: unexpected operator [: 327: xbedpostx_pre: unexpected operator [: 486: x: unexpected operator [: 486: -le: argument expected Queuing parallel processing stage [: 223: NONE: unexpected operator [: 327: xbedpostx: unexpected operator [: 486: x27: unexpected operator 0 slices processed Queuing post processing stage [: 223: NONE: unexpected operator [: 314: NONE: unexpected operator [: 327: xbedpostx_post: unexpected operator [: 486: x: unexpected operator [: 486: -le: argument expected

That problem occurr because my PC is not a parallelized environment?...

Sincerely,