cdc-file-transfer is a bandwidth-efficient file transfer and sync tool that uses content-defined chunking to detect and transmit only the parts of files that actually changed. Unlike fixed-size blocks, content-defined chunks are cut at data-dependent boundaries, which means shifts and insertions don’t invalidate the rest of the file’s delta map. The tool maintains chunk fingerprints and a manifest so it can de-duplicate across versions and even across different files that share regions of...