function get_vars_from_csv {

  local f_ASSET_HIST_FILE="$1"
  if ! [ -s "${f_ASSET_HIST_FILE}" ]
  then
    g_echo_warn "${f_ASSET_HIST_FILE} does not exist or is empty"
    return 1
  fi
 
  f_last_line="$(tail -n1 "${f_ASSET_HIST_FILE}")"

  readarray -d "," -t f_last_line_array < <(echo "0,${f_last_line}")

  get_var_from_line date 1
  get_var_from_line price 2
  get_var_from_line price_change 3
  
  get_var_from_line macd_histogram 8
  get_var_from_line macd_signal_relation 9
  f_macd_histogram_relation=$(echo "${f_macd_signal_relation}" | cut -d\| -f1)
  f_macd_histogram_signal=$(echo "${f_macd_signal_relation}" | cut -d\| -f2)

  get_var_from_line rsi5 10
  get_var_from_line rsi14 11
  get_var_from_line rsi21 12
  get_var_from_line rsi720 13
  get_var_from_line rsi60 14
  get_var_from_line rsi120 15
  get_var_from_line rsi240 16
  get_var_from_line rsi420 17
  
  get_var_from_line price_change_1_day 18
  get_var_from_line price_change_7_day 19
  get_var_from_line price_change_14_day 20
  get_var_from_line price_change_30_day 21

}

function get_var_from_line {
  if [ -z "${f_last_line_array[$2]}" ]  
  then 
    g_echo_note "Didn't get $1 in position $2"
    return 1
  fi
  declare -g f_$1="$(echo ${f_last_line_array[$2]})"
}