Bashing Teil 1 - Parameter auswerten

Hi,

hier mal ein nettes script, wie mann argumenteparsen kann - wenn man die
Übergabeparameter eines scriptes bearbeiten will, dann muss man einfach $*
anstatt $# nehmen und die "local" anweisung wegnehmen.

---snip---
function test {
  local VER=""
  local HELP=""
  local USAGE=""

  local IFS_OLD=$IFS



  #parse all args
  while [ $# != 0 ]
  do
    case "x$1" in

      "x--version")
        VER="v";shift;;
      "x--help")
        HELP="h";shift;;
      "x--usage")
        USAGE="u";shift;;
      "x--")
        ENDARGS="--"
        shift
        break # end reading args - now are files
        ;;
      x--*)
        echo "$1: undefined option!" >&2
        rm_end 1; return $?
        ;;

      x-*)

        local OPTIONS=""

        for (( i=0 ; $i < ${#1} ; i=$i+1 ))
        do
          OPTIONS=$OPTIONS$' '${1:$i:1}
        done

        IFS=$' '
        for i in `echo $OPTIONS`
        do

          case "x$i" in

            "xv")
              RM_VER="v";continue;;
            "xh")
              RM_HELP="h";continue;;
            "xu")
              RM_USAGE="u";continue;;

            "xf")
              RM_FORCE="f";continue;;
            "x-")
              continue;; #overread this
            "xr")
              RM_RECURSIVE="r";continue;;
            "xR")
              RM_RECURSIVE="r";continue;;
            "xd")
              RM_DIRECTORY="d";continue;;

            x*)
              #don't handle options
              echo "-$i; undefined option" >&2;
              rm_end 1; return $?;;
          esac
        done
        shift;;

      x*)
        break
        ;;

    esac
  done

  IFS=$IFS_OLD

  #handle version
  if [ "x$VER" == "xv" ] ; then
    echo "rm function 0.1"
    rm_end 0; return $?
  fi
---snap---