updated/added a lot of indexes,...

dabo/functions/get_marketdata.sh

@@ -3,6 +3,11 @@ function get_marketdata {
   local f_name="$2"
 
   ## get data for analysis
+  if find asset-histories/${f_name}.history.csv -mmin -${INTERVAL_MIN} | grep -q "asset-histories/${f_name}.history.csv"
+  then
+    g_echo_note "asset-histories/${f_name}.history.csv already downloaded in the last ${INTERVAL_MIN} minutes"
+    return 0
+  fi
 
   # check source platform for parsing parameters, prepare and run wget command
   >MARKET_DATA_CMD