If you'd like me to write a or a functional script for this, please let me know:

If you are looking to replicate or document this functionality, it usually follows this logic:

: The script creates a text file (e.g., inputs.txt ) listing all files to be merged.

: Frequent merging can occasionally lead to audio-video desync if the timestamps in the source files are inconsistent.

: If the input MP4s have different settings (e.g., one is 1080p and another is 720p), the "copy" command will fail or produce a corrupted video. In these cases, the script must re-encode the videos to a unified format.

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