File/stream copying with compression and rotation.
Documentation and examples are at homepage, so look there.
Some examples of functionality:
Rotation by time interval or output filesize.
Compression (GZ, BZ2, XZ, LZO).
strftime() on output filename.
PCAP files: each rotated file has correct PCAP header, all the split files can be read with Wireshark etc.
Tee-mode: stdin -> stdout, with the magic underneath outputting to a file(s).
Optional command run on each of the output files.
