UNIX for Advanced & Expert Users

awk '{ if(NR==2){ print $5; exit }}' diskspace.txt | read diskused
#the variable diskused now equals "64%", so what do you want to do next?
myscript.sg $diskused

bdf /dist | awk '{ if(NR==2){ print $5 }}'
if [ "$?" -ge "95%" ];
then
echo "hi Diskspace is more than 95" | mailx -r 'Hello' -s 'Diskspace-95%' xyz@abc.com && bdf /dist | awk '{ if(NR==2){ print $5 }}'
else
echo "Disk Space less than 95%" && bdf /dist | awk '{ if(NR==2){ print $5 }}'
fi

#!/usr/bin/ksh
#set -x
host=$(uname -n)
PATH=/usr/bin
Threshold=95

bdf|tail +2|awk '{print $6,$5}'|while read fs pctused; do
if [ "${pctused%%\%}" -gt $Threshold ]; then
        echo $fs on $host above $Threshold - at $pctused
else
        echo $fs on $host at $pctused
fi
done