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A little CLI tool to record changes in a file and replay them step by step.

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ghostwriter

Note
If you are using this for any kind of video content, it would be very kind if you could give credits to this repository in the details / description of the video.

A little CLI tool to record changes in a file and replay them step by step.

This tool is designed to be used with editors like VSCode which are able to watch a file for changes and then instantly display it in the interface as the file changes on disk.

Demo

demo.mov

Usage

Record

First of all, create and open the desired file to record. In this example, main.go. Now, start the recording with the following command.

ghostwriter record main.go

After that, enter the code you want to show to the file as ususal. Everythime you save the file (for example via Ctrl + S), a new snapshot will be created in the timeline/ directory (you can also change the directory by passing it via the --timeline argument).

Now, when you have finished your recording, press Ctrl + C into the console where ghostwriter is running to stop the recording.

Replay

Simply run the following command to replay your recording.

ghostwriter replay main.go

Note Here you can also specify an alternative directory for your timeline files with the --timeline argument.

After that, the recording will be replayed in the given file (in this case main.go). The file will be created if not existent or overwritten if it already existed. Simply open the file now in your editor. Now, simply press the Enter key on your keyboard inside the terminal where gostwrietr is running to manually advance the recorded steps.

Note You can also pass a duration with the --duration argument to automatically advance the replayin a given time period.

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A little CLI tool to record changes in a file and replay them step by step.

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