Thanks – made a few edits

#!/bin/bash

if [ “$1” = “-w” ] && [ “$2” -gt “0” ] && [ “$3” = “-c” ] && [ “$4” -gt “0” ]; then
temp=`iostat|sed -n “4p”`
IFS= read -r -a array TIOWAIT” -ge “$INTCRIT” ]; then
echo “IO Wait: CRITICAL – $IOWAIT % |IOWAIT=$IOWAIT;;;;”
exit 2
elif [ “$INTIOWAIT” -ge “$INTWARN” ]; then
echo “IO Wait: WARNING – $IOWAIT % |IOWAIT=$IOWAIT;;;;”
exit 1
else
echo “IO Wait: OK – $IOWAIT % |IOWAIT=$IOWAIT;;;;”
exit 0
fi
else
echo “$0 v1.1”
echo “”
echo “Usage:”
echo “$0 -w -c ”
echo “”
echo “warnlevel and critlevel is percentage value without %”
echo ”
echo “EXAMPLE: /usr/lib64/nagios/plugins/check_iowait.sh -w 90 -c 95
echo “”
exit
fi