export maillist=abc@gmail.com;
#df -PH /d04 /d05 /u01 /export | grep -vE '^Filesystem|none|cdrom'|awk '{ print $5 " " $6 }' | while read output;
df -PH | grep -vE '^Filesystem|none|cdrom|swdepot'|awk '{ print $5 " " $6 }' > $HOME/monitor/log/diskcheck.log;

#diskcheck is current output whereas disk_alert is previous runned output

if [ -s "$HOME/monitor/log/disk_alert.log" ]; then
#Getting variables and compare with old
  usep=($(cat $HOME/monitor/diskcheck.log | awk '{ print $1 }' | cut -d'%' -f1));
  partitions=($(cat $HOME/monitor/diskcheck.log | awk '{ print $2 }' ));
  usep1=($(cat $HOME/monitor/log/disk_alert.log | awk '{ print $1 }' | cut -d'%' -f1));
else
   cat "$HOME/monitor/diskcheck.log" > "$HOME/monitor/log/disk_alert.log";
  usep=($(cat $HOME/monitor/diskcheck.log | awk '{ print $1 }' | cut -d'%' -f1));
  partitions=($(cat $HOME/monitor/diskcheck. | awk '{ print $2 }' ));
  usep1=($(cat $HOME/monitor/log/disk_alert.log | awk '{ print $1 }' | cut -d'%' -f1));
fi

echo ${usep[@]};
echo ${usep1[@]};
alertlist=''
# index = i
for i in ${!usep[@]}; do
        if [ ${usep[$i]} -gt 80 ]; then
                if [ ${usep[$i]} -gt ${usep1[$i]} ]; then
                        # Temp to store current percentage diff and partition to store in a variable.
                        tmp="$(echo -e "Running out of space \"${partitions[$i]} (${usep[$i]}%)\" on $(hostname) as on $(date)")";
                        echo "$tmp"
                        #tmp=$(printf "%s\n" "(${usep[$i]}%) percent used on ${partitions[$i]}");
                        alertlist+="$tmp";

                fi
        fi
done
if [ ! -z "${alertlist}" ]; then
        echo "${alertlist}" | mail -s "ALERT:  Running out of space" $maillist;
fi

19 1 39 3 90 83 1 14 96
19 1 39 3 40 83 1 14 66
Running out of space "/u05 (90%)" on localhost.local as on Mon May 15
Running out of space "/u02 (96%)" on localhost.local as on Mon May 15

Running out of space "/d01 (90%)" on localhost.local as on Mon May 15 Running out of space "/patches (96%)" onlocalhost.local as on Mon May 15

vijay/monitor