fslchfiletypefslchfiletype(file, filetype = "NIFTI_GZ", outfile = NULL, retimg = TRUE,
reorient = FALSE, intern = FALSE, verbose = TRUE, ...)retimg, should file be reoriented when read in?
Passed to readNIfTI.systemreadNIfTI.retimg then object of class nifti. Otherwise,
Result from system command, depends if intern is TRUE or FALSE.