01-29-2017
Working out percentage in shell script
Hi All,
I currently have a shell script which is pulling multiple counters from various sources. Due to the counters being cumulative counters I've got some code to work out the delta from the last reading and current which is working fine.
The problem i have now is being able to work out the success rate as a percentage.
Normally I would just take success and divide by attempts then multiply this by 100 which would give my success rate at a percentage (i'd like it to 2 decimal places).
How can this be done in a shell script ?
Any help is apprecaited as always.
Thanks
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RTACCT(8) System Manager's Manual RTACCT(8)
NAME
nstat, rtacct - network statistics tools.
SYNOPSIS
Usage: nstat [ -h?vVzrnasd:t: ] [ PATTERN [ PATTERN ] ]
Usage: rtacct [ -h?vVzrnasd:t: ] [ ListOfRealms ]
DESCRIPTION
nstat and rtacct are simple tools to monitor kernel snmp counters and network interface statistics.
OPTIONS
-h, --help Print help
-V, --version
Print version
-z, --zero
Dump zero counters too. By default they are not shown.
-r, --reset
Reset history.
-n, --nooutput
Do not display anything, only update history.
-a, --ignore
Dump absolute values of counters. The default is to calculate increments since the previous use.
-s, --noupdate
Do not update history, so that the next time you will see counters including values accumulated to the moment of this measurement
too.
-j, --json
Display results in JSON format.
-d, --interval <INTERVAL>
Run in daemon mode collecting statistics. <INTERVAL> is interval between measurements in seconds.
Time interval to average rates. Default value is 60 seconds.
SEE ALSO
lnstat(8)
27 June, 2007 RTACCT(8)