parses iostat to show sectors written per second vs the queue of reads/writes pending. Specific to my purposes. Go away ;)

gistfile1.sh

#!/bin/bash
sda=sda
numlines=60
outputr=$1
outputw=$2

getread() {
                a=()
                 while read -d $'\n'; do
                        a+=("$REPLY")
                 done < <(echo "$@" | sed 's,\,,,g' | awk '{print "r_sectors " $6 " queue" $8"0"}' )
}
getwrite() {
                b=()
                 while read -d $'\n'; do
                        b+=("$REPLY")
                 done < <(echo "$@" | sed 's,\,,,g'| awk '{print "w_sectors " $7  " queue " $8"0"}' )
}

zz=0
while (( zz < $numlines ));
do

x="$(iostat -x 1 2| grep -v sdb  | tail -n 2)"

getread "$x"
    echo -n ""READS " "${a[@]}"" >>$outputr ; echo " load: " $(uptime | awk '{print $10}'| sed 's,\,,,g' | sed 's,\.,,g') >>$outputr

getwrite "$x"
    echo -n ""WRITES" "${b[@]}"" >>$outputw ; echo " load: " $(uptime | awk '{print $10}'| sed 's,\,,,g' | sed 's,\.,,g') >>$outputw
(( zz++ ))

done

#send this to datafart for a nice graph