# bytes is a program to add the number of bytes shown in an ls -la for the
# directory passed to it as a parameter, or the current directory as default.
total=0
NULL=""
ADD=${1-`pwd`}
if (test $ADD != `pwd`)
then
cd $ADD
fi
ls -l | while LINE=`line`
do
num=`echo "$LINE" | sed 's/ */ /g' | cut -f5 -d" "`
if [ {$num} = {$NULL} ]
then
continue
else
total=`expr $total + $num`
echo "Total for ${ADD} directory is: $total" >tot
fi
done
