This function calls fslchfiletype
's help
fslchfiletype.help()
Prints help output and returns output as character vector
if (have.fsl()){
fslchfiletype.help()
}
#> Usage: fslchfiletype[_exe] <filetype> <filename> [filename2]Changes the file type of the image file [ or copies to new file ].Valid values for filetype are: ANALYZE ANALYZE_GZ NIFTI NIFTI_GZ NIFTI_PAIR NIFTI_PAIR_GZ NIFTI2 NIFTI2_GZ NIFTI2_PAIR NIFTI2_PAIR_GZ