bdf | grep -vE ‘^/path/to/check/’ | awk ‘{ print $5 ” ” $1 }’ | while read output;
do
echo $output
usep=$(echo $output | awk ‘{ print $1}’ | cut -d’%’ -f1  )
partition=$(echo $output | awk ‘{ print $2 }’ )
if [ $usep -ge 90 ]; then
echo “Running out of space ”$partition ($usep%)” on $(hostname) as on $(date)

This is system generated e-mail ” |
mailx -s “Alert: Almost out of disk space $usep%” email@server.com
fi
done

syntax error at line 7 : `(' unexpected