Bunzip2 does bunzip2 decompression from src to dst.

Bunzip2File does bunzip2 decompression from src file into dst file.

CopyProgress copies data from reader into writter, logging progress through level.

LogFrom reads lines from reader r and sends them to logger l.

Retry calls function f until it has been called attemps times, or succeeds.

RetryConditional calls function f until it has been called attemps times, or succeeds.

XZ2File does xz decompression from src file into dst file.