# Proceedings of the North Dakota Academy of Sciences, 1948--2015
# To count words: for t in *txt; do tr ' ' '\n' < $t | grep -i dna | wc -l >> 000dna; done
CHARS	number of characters
WORDS	number of words
YEAR	year of PNDAS meeting
DAKOTA	number of occurrences of "dakota" word (case ignored)
DNA	number of occurrences of "dna" word (case ignored)
SPECIES	number of occurrences of "species" word (case ignored)
WATER	number of occurrences of "water" word (case ignored)