This function calls fslorient -get* and is a
simple wrapper of fslorient
fslgetorient(file, verbose = TRUE)
fslgetsform(file, verbose = TRUE)
fslgetqform(file, verbose = TRUE)
fslgetsformcode(file, verbose = TRUE)
fslgetqformcode(file, verbose = TRUE)(character) image to be manipulated
(logical) print out command before running
Result from system command, output from FSL