Check Partition Capacity

#!/bin/bash

# set recipient Address
ADMIN="recipient@mail.com"

# set alert-level to 90%
ALERT=10

df -P | grep -vE '^Filesystem|tmpfs|cdrom' | awk '{ print $5 " " $6 }' | while read output;
do
  usep=$(echo $output | awk '{ print $1}' | cut -d'%' -f1  )
  partition=$(echo $output | awk '{ print $2 }' )
  if [ $usep -ge $ALERT ]; then

/usr/sbin/sendmail "$ADMIN" <<EOF
From: sender@mail.com
Subject: Storage Alert ($usep% Utilization)

All Concerned,

The $partition partition on $HOSTNAME has reached $usep% at $(date).

EOF
 fi
done