if (FALSE) {
o <- opal.login('administrator','password', url='https://opal-demo.obiba.org')
dsadmin.profile_perm_add(o, 'default', c('andrei', 'valentina'), 'user', 'use')
dsadmin.profile_perm(o, 'default')
dsadmin.profile_perm_delete(o, 'default', c('andrei', 'valentina'), 'user')
opal.logout(o)
}
Run the code above in your browser using DataLab