push=../8.out
#$push -r -c 'echo | cat'
echo testing basic fanin fanout...
orf=cat irf=cat $push -c 'echo test |< cat  >| cat '
echo testing redirection... 
orf=cat irf=cat $push -c 'echo test |< cat  >| cat >/dev/null '
echo testing orf and irf argv...
orf=echo irf=echo $push -c 'echo test |< cat  >| cat '
echo testing orf and irf argv code level...
echo -n >/tmp/nop
bind /tmp/nop $home/lib/profile
orf=f0 irf=f1 $push -r -c 'f3 test |< f4  >| f5 ' >[2=1] | awk 'NR > 239 { print }'

#$push -c 'echo test |< cat test >| cat test'
#orf=f0 irf=f1 $push -r -c 'echo test | cat' >[2=1] | awk 'NR > 239 { print }'