一个grip程序

下面是一个grip程序，谁帮忙看看有什么问题？感激中
$$Create operation
  ENTITY/beid, faceid
  ENTITY/lnlist(4)
  &MODULE = &MACH
  &OPTSET='/mydir/templates/cam_oper_templ_set.opt'
  OPER/NEW,OPNAME,'my_new_oper','cam_english_template',$
  'PLANAR_MILL'
  TOOL/'TOOL1',MILL
  Inlist(1) = LINE/0,1,2,1
  Inlist(2) = LINE/0,1,0,2
  Inlist(3) = LINE/0,2,2,2
  Inlist(4) = LINE/2,2,2,0
  beid = bound/lnlist
  IDENT/'select a face',faceid
  I = 4
$$Create a part boundary- initialize a boundary object.
  OPGEOM/BND,PART,START
$$Assign some geometry global data to the current boundary using GPAs.
  &BNDTYP = &OPEN
$$Assign some machining data to the current boundary using GPAs.
  &OMTSID = &RIGHT
$$Add a member to the boundary.
  OPGEOM/BNDITM, lnlist(1)
$$Assign machining data to the current boundary member using GPAs.
  &TOOLOC = &ON
$$Add the rest of the boundary members.
  OPGEOM/BNDITM, lnlist(2..4)
$$Assign machining data to members 2, 3, and 4 using GPAs.
  &TOOLOC = &TANTO
$$End boundary specification.
  OPGEOM/BND,END
$$Add boundary to boundary list.
  OPGEOM/BND,BLANK,START
  OPGEOM/BNDRY,beid
  OPGEOM/BND,END
$$Add a set of boundaries to the boundary list.
  OPGEOM/BND,PART,START
$$Assign GPAs to the face.
  &IGRHOL = &NO
  OPGEOM/FACE,faceid
  OPGEOM/BND,END
$$Generate toolpath.
  &CUTTYP = &FOLLW
  &GENPTH = &YES
  OPER/SAVE
  HALT

luguo!!!!!!

我编译了一下，就在下面这个地方出了问题，应该是定义有问题吧，但是不知道怎么修改，请哪位指点一下
  ENTITY/lnlist(4)
  &MODULE = &MACH
  &OPTSET='/mydir/templates/cam_oper_templ_set.opt'
  OPER/NEW,OPNAME,'my_new_oper','cam_english_template',$
  'PLANAR_MILL'
  TOOL/'TOOL1',MILL
  Inlist(1) = LINE/0,1,2,1
  Inlist(2) = LINE/0,1,0,2
  Inlist(3) = LINE/0,2,2,2
  Inlist(4) = LINE/2,2,2,0
  beid = bound/lnlist
  IDENT/'select a face',faceid
  I = 4
哪位高手帮忙分析一下，

生成一线的数据太少了，

麻烦你能不能详细点，应该怎么修改？

现在不打算用grip了

是不是要三维坐标点啊（x,y,z）

定义的名称太长了

6位没有问题

这句：
&OPTSET='/mydir/templates/cam_oper_templ_set.opt'
要指明确切路径。

其余没往下看。