#!/bin/ksh

while read size cust foo
do
    if eval test -z \"$"$cust"\"; then
        eval $cust=0
        custs="$cust $custs"
    fi
    eval $cust=`eval expr $"$cust" + $size`
done < yp.sample

for cust in $custs
do
    eval echo $cust \$$cust
done