J built in primitives can only work with regular files. Those can be seek to the end. If it is then you can use index read or map the file to a J noun. See memory mapped file lab or documentation.
On Fri, 24 Jun 2022 at 5:10 PM Pawel Jakubas <jakubas.pa...@gmail.com> wrote: > Dear J enthusiasts, > > What is your recommended way to call linux command/invoke program from J > and > capture result? Let's say I want to invoke > *dd if=/dev/urandom bs=100 count=1* > > Could you point me to example showing how to deal with bigger streams in J, > ie. process the source by chunks. > > Thanks a lot in advance and cheers, > Pawel > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
