> http://tokai.binaryriot.org/public/bchunk-1.2.0-morphos.lha
> http://tokai.binaryriot.org/public/bchunk-1.2.0.tgz (source archive)

Same software ported by someone else:

http://www.world-of-amiga.eu/download/bchunk_1.2.0.lha
http://aminet.net/package/disk/cdrom/bchunk_1.2.0