Check process

#!/bin/bash
NOTIFY="3.0"
FTEXT='load average:'
F5M="$(uptime | awk -F "$FTEXT" '{ print $2 }' | cut -d, -f1 | sed 's/ //g')"
F10M="$(uptime | awk -F "$FTEXT" '{ print $2 }' | cut -d, -f2 | sed 's/ //g')"
F15M="$(uptime | awk -F "$FTEXT" '{ print $2 }' | cut -d, -f3 | sed 's/ //g')"

if [ $F15M -gt $NOTIFY ]
then
    EMAIL="youremail@email.com"
    SUBJECT="Alert $(hostname) load average"
    TEMPFILE="$(mktemp)"
    echo "Load average Crossed allowed limit $NOTIFY." >> $TEMPFILE
    echo "Hostname: $(hostname)" >> $TEMPFILE
    echo "Local Date & Time : $(date)" >> $TEMPFILE
    #Write to cron log.
    echo "Load average crossed set limit. Admin mailed."
    mail -s "$SUBJECT" "$EMAIL" < $TEMPFILE
    rm -f $TEMPFILE
fi