A tiny typo in mri_convert:
filo@filo-Precision-M6500:~$ mri_convert | grep voxsize -vs, --voxsize <size_x> <size_y> <size_z> : specify the size (mm) - useful for upsampling or downsampling filo@filo-Precision-M6500:~$ mri_convert --voxsize mri_convert --voxsize
mri_convert: unknown flag "--voxsize"
type mri_convert -u for usage
filo@filo-Precision-M6500:~$ mri_convert -voxsize mri_convert -voxsize
mri_convert: argument -voxsize expects 3 floats; only 0 arguments after flag
type mri_convert -u for usage
filo@filo-Precision-M6500:~/workspace/nipype$ cat ~/opt/freesurfer/build-stamp.txt freesurfer-Linux-centos4_x86_64-stable-pub-v5.1.0
Best, Chris