_by_date(){ ls -c ${_DATA}/videos/ |egrep -i "$file_pattern" }
_by_length(){ ls ${_DATA}/by_length/ |sed -r 's:[0-9]{5} - ::g' }
_by_date(){ ls -c ${_DATA}/videos/ |egrep -i "$file_pattern" }
_by_length(){ ls ${_DATA}/by_length/ |sed -r 's:[0-9]{5} - ::g' }