Small tool that shifts SubStation Alpha Files(.ass) a specified number of frames forward/backwards.

Requirements:

• OS: Windows, Linux
• Lua 5.x

Windows:

https://github.com/rjpcomputing/luaforwindows/releases

Linux:

• #Debian/Ubuntu systems:

  $ sudo apt install lua5.3

• #RHEL/CentOS systems

  # yum install epel-release && yum install lua

• #Fedora 22+:

  # dnf install lua

How to use:

Windows:

1. Drag and drop .ass file on shift.bat
2. Enter framerate
3. Enter +/- frames you want to shift
4. Shifted "out.ass" file will be written in the folder containing the script

Linux:

1. From Terminal: $ lua script.lua SubtitleFile
2. Enter framerate
3. Enter +/- frames you want to shift
4. Shifted "out.ass" file will be written in the folder containing the script

This project is licensed under the terms of the MIT license.