= a command
        .aa-aa format is not supported
        .specify destination of m(Move),c(Copy) line command
         or COPy,MOVe command to copy the external file.
        .n,b,s parameter pattern
         an     : copy n times full set of source lines.
         an.s   : copy full set of source lines then skip s lines,
                  repeat that n times.
         a,b.s  : get and copy b lines from source then skip s lines,
                  repeat that until source is exhausted.
         an,b.s : get and copy b lines from source then skip s lines,
                  repeat that n times(break if source is exhausted).

      (1) x[n] pattern

        .copy 3 lines just after the line.

            c3     |A
            0000002|B
            0000003|C
            0000004|D
            0000005|E
            a      |F
            0000007|G
        ===>
            0001000|A
            0002000|B
            0003000|C
            0004000|D
            0005000|E
            0006000|F
            0006100*A
            0006200*B
            0006300*C
            0007000|G

        .repeat 3 times fullset copy.

            cc     |A
            0000002|B
            cc     |C
            0000004|D
            0000005|E
            a3     |F
            0000007|G
        ===>
            0001000|A
            0002000|B
            0003000|C
            0004000|D
            0005000|E
            0006000|F
      r1    0006100*A
            0006200*B
            0006300*C
      r2    0006400*A
            0006500*B
            0006600*C
      r3    0006700*A
            0006800*B
            0006900*C
            0007000|G

      (2) xn.s pattern

        .repeat 3 times fullset copy skipping intemediate 2 line.

            cc     |A
            0000002|B
            cc     |C
            0000004|D
            a3.2   |E
            0000006|F
            0000007|G
            0000008|H
            0000009|I
            0000010|J
        ===>
            0001000|A
            0002000|B
            0003000|C
            0004000|D
            0005000|E
      r1 cc 0005100*A
            0005200*B
         cc 0005300*C
         s1 0006000|F
         s1 0007000|G
      r2 cc 0007100*A
            0007200*B
         cc 0007300*C
         s1 0008000|H
         s1 0009000|I
      r3 cc 0009100*A
            0009200*B
         cc 0009300*C
            0010000|J

      (3) x,b.s pattern

        .copy each 4 lines skipping intermediate 1 line for all copy source.

            cc     |1
            0002000|2
            0003000|3
            0004000|4
            0005000|5
            0006000|6
            0007000|7
            0008000|8
            0009000|9
            cc     |0
            a,4.1  |A
            0012000|B
            0013000|C
            0014000|D
        ===>
            0001000|1
            0002000|2
            0003000|3
            0004000|4
            0005000|5
            0006000|6
            0007000|7
            0008000|8
            0009000|9
            0010000|0
            0011000|A
      r1 b1 0011100*1
         b2 0011200*2
         b3 0011300*3
         b4 0011400*4
         s1 0012000|B
      r2 b1 0012100*5
         b2 0012200*6
         b3 0012300*7
         b4 0012400*8
         s1 0013000|C
      r3 b1 0013100*9
         b2 0013200*0
            0014000|D

      (4) xn,b.s pattern

        .copy each 2 lines skipping intermediate 1 line,repeat that 3 times.

            cc     |1
            0002000|2
            0003000|3
            0004000|4
            0005000|5
            0006000|6
            0007000|7
            0008000|8
            0009000|9
            cc     |0
            a3,2.1 |A
            0012000|B
            0013000|C
            0014000|D
        ===>
            0001000|1
            0002000|2
            0003000|3
            0004000|4
            0005000|5
            0006000|6
            0007000|7
            0008000|8
            0009000|9
            0010000|0
            0011000|A
      r1 b1 0011100*1
         b2 0011200*2
         s1 0012000|B
      r2 b1 0012100*3
         b2 0012200*4
         s1 0013000|C
      r3 b1 0013100*5
         b2 0013200*6
            0014000|D
            0015000|E
            0016000|F
            0017000|G
            0018000|H

        .case of b,s parameter for copy source specification.

            cc,3   |1
            0002000|2
            0003000|3
            0004000|4
            0005000|5
            0006000|6
            0007000|7
            0008000|8
            0009000|9
            cc.1   |0
            a3,2.1 |A
            0012000|B
            0013000|C
            0014000|D
            0015000|E
        ===>
            0001000|1
            0002000|2
            0003000|3
            0004000|4
            0005000|5
            0006000|6
            0007000|7
            0008000|8
            0009000|9
            0010000|0
            0011000|A
      r1 c1 0011100*1
         c2 0011200*2
            0012000|B
      r2 c3 0012100*3
         c1 0012200*5
            0013000|C
      r3 c2 0013100*6
         c3 0013200*7
            0014000|D
            0015000|E

      (5) case of copy source is external file.

        .simple case.

            "x2" contents
            *******|********** TOP OF FILE ********************
            0001000*0001
            0002000*0002
            0003000*0003
            0004000*0004
            *******|********** END OF FILE ********************

            ===>copy x2
            0000001|A
            a      |B
            0000003|C
        ===>
            0001000|A
            0002000|B
            0002100*0001
            0002200*0002
            0002300*0003
            0002400*0004
            0003000|C

        .effect of [,b][.s] parameter

            ===>copy x2
            0000001|A
            a2,3.1 |B
            0000003|C
        ===>
            0001000|A
            0002000|B
            0002100*0001
            0002200*0002
            0002300*0003
            0003000|C
            0003100*0004
            0004000|D