diff --git a/dabo/functions/currency_converter.sh b/dabo/functions/currency_converter.sh
index ce34063..b5362a7 100644
--- a/dabo/functions/currency_converter.sh
+++ b/dabo/functions/currency_converter.sh
@@ -66,10 +66,9 @@ function currency_converter {
     find . -name "*${f_stablecoin}.history.*.csv" | while read f_file
     do
       f_link_file=${f_file/${f_stablecoin}/USD}
-      #echo "Linkfile $f_link_file"
       ln -sf "$f_file" "$f_link_file"
     done
-    cd -
+    cd - >/dev/null
     # use USD
     if [[ $f_currency_target = $f_stablecoin ]]
     then
@@ -98,17 +97,12 @@ function currency_converter {
   local f_histfile_coinmarketcap_reverse="${f_asset_histories}${f_currency}${f_currency_target}.history"
   # search for rate by date
 
-  echo "$f_histfile_default" "$f_histfile_default_reverse"  "$f_histfile_coinmarketcap" "$f_histfile_coinmarketcap_reverse"
-
-  echo "$f_currency_date_minute $f_currency_date_hour $f_currency_date_day $f_currency_date_month"
-
-
   for f_histfile in "$f_histfile_default" "$f_histfile_default_reverse"  "$f_histfile_coinmarketcap" "$f_histfile_coinmarketcap_reverse"
   do
     # search for most precise date
     f_line=$(egrep "^$f_currency_date_minute" "$f_histfile"*m.csv 2>/dev/null | tail -n1)
-    [ -z "$f_line" ] && f_line=$(egrep "^$f_currency_date_hour" "$f_histfile"*h.csv 2>/dev/null | tail -n1)
-    [ -z "$f_line" ] && f_line=$(egrep "^$f_currency_date_day" "$f_histfile"*d.csv 2>/dev/null | tail -n1)
+    [ -z "$f_line" ] && f_line=$(egrep "^$f_currency_date_hour" "$f_histfile"*m.csv 2>/dev/null | tail -n1)
+    [ -z "$f_line" ] && f_line=$(egrep "^$f_currency_date_day" "$f_histfile"*h.csv 2>/dev/null | tail -n1)
     [ -z "$f_line" ] && f_line=$(egrep "^$f_currency_date_month" "$f_histfile"*.csv 2>/dev/null | tail -n1) 
     [ -n "$f_line" ] && f_rate=$(echo "$f_line" | cut -d, -f2)
     f_reverse=false