function get_indicators_all {

  g_echo_note "RUNNING FUNCTION ${FUNCNAME} $@"
  
  local f_last_intervals="$1"
  
  local f_histfile f_symbol

  shopt -s nullglob
  
  # find all hitory files
  get_symbols_ticker
  for f_symbol in "${f_symbols_array_trade[@]}"
  do
    f_symbol=${f_symbol%%:*}
    f_symbol=${f_symbol//\/}
    
    for f_histfile in "asset-histories/${f_symbol}.history."[0-5][5dhwm]*.csv
    do
      if [ -s "$f_histfile" ]
      then
        # check for already running jobs
        if [ -s "${f_histfile}.fetching" ]
        then
          g_echo_note "Fetching active on ${f_histfile}"
          continue
        fi
        if [ -s "${f_histfile}.indicators-calculating" ]
        then
          g_echo_note "Indicators-Calculating already active on ${f_histfile}"
          continue
        fi
   
        printf '%(%Y-%m-%d %H:%M:%S)T' >"${f_histfile}.indicators-calculating"     
        get_indicators "${f_histfile}" ${f_last_intervals} && printf '%(%Y-%m-%d %H:%M:%S)T' >>"$f_histfile.indicators-calculated"
        rm -f "${f_histfile}.indicators-calculating"

      fi
    done
  done

}


function get_indicators {

  g_echo_note "RUNNING FUNCTION ${FUNCNAME} $@"
  local f_histfile="$1"
  local f_last_intervals="$2"
  local f_line 

  # history
  local f_columns="date,open,high,low,close,volume,change,ath,ema12,ema26,ema50,ema100,ema200,ema400,ema800,rsi5,rsi14,rsi21,macd,macd_ema9_signal,macd_histogram,macd_histogram_signal,macd_histogram_max,macd_histogram_strength"
  local f_emas="12 26 50 100 200 400 800"
  local f_rsis="5 14 21"
  local f_ema f_change f_changed f_line f_valid_data f_ath
  local f_columns_space="${f_columns//,/ }"
  g_read_csv "${f_histfile}" "${f_last_intervals}" "$f_columns"
  for ((i=0; i<=${#g_csv_array[@]}-1; i++))
  do

    if [ -z "${v_csv_array_associative[date_${i}]}" ] 
    then
      g_echo_note "No data $f_histfile:${v_csv_array_associative[date_${i}]}"
      return 0
    fi
    #g_echo_note "=== $0 for $f_histfile:${v_csv_array_associative[date_${i}]},$f_histfile:${v_csv_array_associative[close_${i}]}"

    # get previous position
    p=$((i-1))    

    ### check for unfilled fields
    f_change=""

    # check for missing percentage change
    if [ -z "${v_csv_array_associative[change_${i}]}" ]
    then
      if ! [ $p -lt 0 ] 
      then
        #echo "g_percentage-diff ${v_csv_array_associative[close_${p}]} ${v_csv_array_associative[close_${i}]}"
        g_percentage-diff ${v_csv_array_associative[close_${p}]} ${v_csv_array_associative[close_${i}]} && f_change=1
        v_csv_array_associative[change_${i}]=${g_percentage_diff_result}
      fi
    fi
    
    # ath (all-time-high) of present data
    if [ -z "${v_csv_array_associative[ath_${p}]}" ]
    then
      # define max for the first time 
      v_csv_array_associative[ath_${i}]=${v_csv_array_associative[high_${i}]}
    else
      #echo "g_num_is_higher ${v_csv_array_associative[high_${i}]} ${v_csv_array_associative[ath_${p}]}"
      if g_num_is_higher ${v_csv_array_associative[high_${i}]} ${v_csv_array_associative[ath_${p}]}
      then
        v_csv_array_associative[ath_${i}]=${v_csv_array_associative[high_${i}]}
      else
        v_csv_array_associative[ath_${i}]=${v_csv_array_associative[ath_${p}]}
      fi
    fi

    # check for missing EMAs
    for f_ema_column in $f_emas
    do
      # check for enough values/lines to calculate EMA
      [ $i -ge $f_ema_column ] || continue
      # calculate EMA
      [ -z "${v_csv_array_associative[ema${f_ema_column}_${i}]}" ] && calc_ema ${f_ema_column} close && f_change=1
    done

    # check for missing RSI
    for f_rsi_column in $f_rsis
    do
      # check for enough values/lines to calculate RSI
      [ $i -ge $f_rsi_column ] || continue
      # calculate RSI
      [ -z "${v_csv_array_associative[rsi${f_rsi_column}_${i}]}" ] && calc_rsi ${f_rsi_column} change && f_change=1
    done

    # check for missing macd
    [ $i -ge 26 ] && [ -z "${v_csv_array_associative[macd_${i}]}" ] && calc_macd && f_change=1

    # write to file if change is provided
    if [ -n "$f_change" ]
    then
      # find line by date
      f_line_date="${v_csv_array_associative[date_${i}]}"
      oldIFS=$IFS
      IFS=,
      f_line=""
      # build line
      for f_column in $f_columns
      do
        if [ -z "$f_line" ]
        then
          f_line="${v_csv_array_associative[${f_column}_${i}]}"
        else
          f_line="$f_line,${v_csv_array_associative[${f_column}_${i}]}"
        fi
      done
      g_echo_note "Changing values with date ${v_csv_array_associative[date_${i}]} in \"${f_histfile}\""
      # replace line by date
      sed -i "s/$f_line_date,.*/$f_line/" "$f_histfile"
      IFS=$oldIFS
    fi

  done

}