more pure bash to speed up things

dabo/functions/get_vars_from_csv.sh

@@ -1,7 +1,5 @@
 function get_vars_from_csv {
 
-  set -x
-
   f_ASSET_HIST_FILE="$1"
   if ! [ -s "${f_ASSET_HIST_FILE}" ]
   then
@@ -24,6 +22,8 @@ function get_vars_from_csv {
   # if there are not four lines
   [ -z "${f_last_lines_array[3]}" ] && return 1
 
+  set -x
+
   # create array of last line fields
   #f_last_line="$(tail -n1 "${f_ASSET_HIST_FILE}"),${f_market_performance}"
   f_last_line="${f_last_lines_array[3]},${f_market_performance}"