scope of variable in pipe

Question

The following shell scrip will check the disk space and change the variable diskfull to 1 if the usage is more than 10% The last echo always shows

Answer 1

In this line:

usep=$(echo $output | awk '{ print $1}' | cut -d'%' -f1  )

it's not necessary to use cut. You can do this:

usep=$(echo $output | awk -F% '{ print $1}' )