chrisjbillington / chonker

Use for optimizing backup of large files. Disect large file into 1MB chunks and hash each chunk. Each hash is then compared to a hash for the respective chunk in the previous version of the file. Chunk gets copied into the old file and backed up iff hashes differ.

chonker

Use chonker for optimizing the backup of large files.

usage

usage: chonker [-h] in_file out_file

Use chonker for optimizing the backup of large files. chonker dissects large
file objects into 1MB chunks and it hashes each chunk. Each hash is then
compared to a hash for the respective chunk in the previous version of the
file. The chunk gets copied into the old file and backed up iff hashes differ.
A file <out_file>.hashes will be stored alongside the backed up file.

positional arguments:
  in_file     This is the file to be chunked, hashed and copied
  out_file    This is the backed up version of the file

optional arguments:
  -h, --help  show this help message and exit