This function calls fslsplit
's help
fslsplit.help()
Prints help output and returns output as character vector
if (have.fsl()){
fslsplit.help()
}
#> Usage: fslsplit <input> fslsplit <input> [output_basename] [-t/x/y/z] -t : separate images in time (default behaviour) -x : separate images in the x direction -y : separate images in the y direction -z : separate images in the z direction