Greg Wooledge wrote on 03/06/17 14:38: > On Sun, Mar 05, 2017 at 05:25:49PM +0100, to...@tuxteam.de wrote: >> If you need floating point numbers, bc (or dc) are your next stops. > > Or awk. For some problems, awk is fantastic. >
Yes, it helps to sample the number of "bytes" like so:
owl1=$(awk '/usb0/ {print $2}' /proc/net/dev)
# insert process to be measured
bytes=$(awk "/usb0/ {print (\$2 - $owl1)}" /proc/net/dev)
Regards,
jvp.
