>I would propose something like a new builtin command called "streamctl" >(stream control) which has sub-commands for testing whether a stream is >seekable, do various seeking operations (seek_to_position, seek_hole, >seek_data), list_substreams and split_substreams (the last two things >are for SCTP&co.). >Comments/suggestions/ideas welcome...
Why not just an "lseek" command? Doesn't even need to be a builtin. Casper