"plug-in-gap-shift"

Frame Sequence Shift

    Start from Menu:
        <Image>/Video/Frame Sequence Shift

    This feature does cycic reordering the sequence
    of the frames in the affected range.
    The affected range is specified with "From Frame"
    and "To Frame".
    
    The "N-Shift specifies positive or negative
    offsets for the number part in the frame names.
    
Example:
    
    Assume tere are 20 frames:
      pic_000001.xcf
      pic_000002.xcf
   
      pic_000020.xcf
     
    After applying the Frame Sequence Shift" with settings:

      From Frame: 5
      To Frame:   15
      N-Shift:    2
      
      
   the affected frames are renumbered as shown here:

      old name            new name
      ----------------------------------
      pic_000005.xcf  ==> pic_000007.xcf
      pic_000006.xcf  ==> pic_000008.xcf
      pic_000007.xcf  ==> pic_000009.xcf
      pic_000008.xcf  ==> pic_000010.xcf
      pic_000009.xcf  ==> pic_000011.xcf
      pic_000010.xcf  ==> pic_000012.xcf
      pic_000011.xcf  ==> pic_000013.xcf
      pic_000012.xcf  ==> pic_000014.xcf
      pic_000013.xcf  ==> pic_000015.xcf
      pic_000014.xcf  ==> pic_000005.xcf
      pic_000015.xcf  ==> pic_000006.xcf
