#a short test for isz and irz using a named pipe - no modem used.
# for testing irz/isz
rm -f fifo  /tmp/szlog  /tmp/rzlog
mknod fifo p
time ./isz  -w 4096 /var/log/big <fifo   | ./irz  >fifo 
rm -f fifo
ls -l  big /var/log/big
sum big /var/log/big