more pure bash to speed up things

dabo/functions/get_vars_from_csv.sh

@@ -1,5 +1,7 @@
 function get_vars_from_csv {
 
+  set -x
+
   f_ASSET_HIST_FILE="$1"
   if ! [ -s "${f_ASSET_HIST_FILE}" ]
   then
@@ -13,13 +15,11 @@ function get_vars_from_csv {
   fi
   f_all_vars="f_market_performance=${f_market_performance}"
 
-  set -x
   # read last 4 lines in array if not given
   if [ -z "${f_last_lines_array}" ]
   then
     mapfile -t f_last_lines_array < <(tail -n4 "${f_ASSET_HIST_FILE}")
   fi
-  set +x  
 
   # if there are not four lines
   if [ -z "${f_last_lines_array[3]}" ]
@@ -126,6 +126,8 @@ f_macd_histogram_signal=${f_macd_histogram_signal}"
   # Coingecko price
   get_var_from_line coingecko_price 40
 
+set +x
+
 }
 
 function get_var_from_line {