TIME_CURRENT="$(date --iso-8601=seconds)" ; # Produce `date`-parsable current timestamp with resolution of 1 second.
DATE_CURRENT_SHORT="$(date -d "$TIME_CURRENT" +%Y%m%d)"; # Produce separator-less current date with resolution 1 day.
echo "$DATE_CURRENT_SHORT";
-} # Get date without separators
+} # Get YYYYmmdd
#==BEGIN sample code==
echo "The current day is:$(dateShort)"