#! /usr/bin/ksh 
if (($#<1)) then
   echo usage: zaehl year month
else
  typeset -Z2 day
  typeset -Z2 mon
  typeset -Z2 year
  day=01
  mon=$2
  year=$1
  while ((day<32))
  do 
    hh=`ls AV${year}${mon}${day}* | wc -l`
    echo  $year $day $mon := $hh
    ((day=day+1))
  done
fi