Hello again, I have to reply to my own post to correct it:
On Dec 8, 2:00 pm, pjodrr <pjo...@gmail.com> wrote: > coproc prefix_timestamp > seq 10>&${COPROC[1]} > eval "exec ${COPROC[1]}>&-" > cat <&${COPROC[0]} > wait $COPROC_PID replace this with: { coproc prefix_timestamp >&3 ; } 3>&1 seq 10>&${COPROC[1]} eval "exec ${COPROC[1]}>&-" wait $COPROC_PID this is how i do it now, thanks for the discussion. Peter