With this add-on users can quickly generate writing animation of given length for selected curves.
Supported Blender Version: 2.8 Beta (also supported 2.79b)
Github repository: https://github.com/Shriinivas/writinganimation
Blender 2.8 Beta Script File: writinganim_2_8.py
(Blender 2.79b Script File: writinganim.py)
Video Tutorial: https://www.youtube.com/watch?v=_tATQJhAkIg
PS: Please refer to the closed task T59725. This is the same add-on ported to Blenbder 2.8 Beta.
Please let me know if you need any further inputs.