              case word in [ pattern ) list ;; ] ...  esac
                     Execute the list associated with  the  first
                     pattern that matches word, if any.  The form
                     of the patterns is the same as that used for
                     filename  generation.   See Filename Genera-
                     tion below.

              case word { [ pattern ) list ;; ] ...  }
                     Another form of case.
