This function calls fslreorient2std's help
fslreorient2std.help()Prints help output and returns output as character vector
if (have.fsl()){
fslreorient2std.help()
}
#> Usage: fslreorient2std [-m <matrix file>] <input_image> [output_image] fslreorient2std is a tool for reorienting the image to match theapproximate orientation of the standard template images (MNI152).It only applies 0, 90, 180 or 270 degree rotations.It is not a registration tool.It requires NIfTI images with valid orientation informationin them (seen by valid labels in FSLView). This toolassumes the labels are correct - if not, fix that before using this.If the output name is not specified the equivalent transformation matrix is written to the standard outputIf the option -m is given, with an accompanying filename, then the transformation matrix is written to this file instead