Lux's break-point transfer function is realized based on the chunk checking technology, which can ensure data integrity even in the case of abnormal shutdown. The technical realization uses .rs temporary file to store the download progress, and supports to continue the download from any break point by -c parameter.
The mechanism checks each download block by SHA-256 to ensure the correctness of the completed portion when the download is resumed. Tests show that the download of a 10GB video file can still be resumed correctly by 100% after 5 human interruptions. Compared to similar tools, Lux's renewal response time is reduced to milliseconds.
Of particular interest is its intelligent recovery algorithm, which automatically detects when the source video is updated and restarts the complete download. For unstable network environments, with the automatic retry mechanism can realize unattended downloading of large files, with a failure recovery rate of 99.9%.
This answer comes from the articleLux: command line video downloader that supports almost all video platformsThe
