tetetet

function testfunc(){
  local num=0
  local property pre_func_def pre_count new_func_def
  pre_func_def=$(which testfunc)
  pre_count=$(echo $pre_func_def|awk 'NR==2 {print $2}')
  property=$(echo $pre_func_def|awk 'NR==2 {print $2}'|awk -F'=' '{print $1}')
  new_count=${property}'='$(expr $num + 1)
  new_func_def=$(echo $pre_func_def|sed -e "s/local $pre_count/local $new_count/")
  eval $new_func_def
  echo $num
}