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Top Forums UNIX for Beginners Questions & Answers Working out percentage in shell script Post 302990617 by mutley2202 on Sunday 29th of January 2017 12:36:45 PM
Old 01-29-2017
code i've tried

What am i doing wrong ?

Code:
sum1=$((add1 + add2))
echo "Success = $sum1"
sum2=$((add3 - add4))
echo "Attempts = $sum2"
final="scale=4; ($sum1 / $sum2 ) * 100" | bc
echo " Success rate = $final"

No percentage is worked out, it only is printing Sum1 and Sum2 values.

Code:
Success = 7513
Attempts - custom = 9150
Success Rate =

what i'm expecting is the below output.

Code:
Success = 7513
Attempts - custom = 9150
Success Rate = 82.10

 

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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)
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