Provided by: ncbi-entrez-direct_12.0.20190816+ds-1ubuntu0.2_amd64 

NAME
word-at-a-time - parse an input file into alphanumeric words
SYNOPSIS
word-at-a-time
DESCRIPTION
word-at-a-time reads a text file on standard input, extracts all sequences of digits and English letters,
lowercases any capital letters, and prints the resulting terms in order, one per line.
SEE ALSO
join-into-groups-of(1).
NCBI 2017-01-24 WORD-AT-A-TIME(1)