This documentation reflects EDirect version 10.9, released on 2/1/2019.
We strive to keep this documentation up-to-date with the latest release. If you are looking for documentation on a more recent version of EDirect, or to find out more about new EDirect releases, please see the Release Notes of NCBI's EDirect documentation.
word-at-a-time command combines a series of Unix commands to parse a passage of text into individual lines, with each word appearing on its own line. The command also strips out any punctuation, and converts all uppercase text to lowercase. This command can be useful as a starting point for text-mining projects.
A passage of text.
The input text, with each word split onto its own line, all punctuation removed, and all uppercase letters converted to lowercase.
word-at-a-time command accepts no arguments.
Given the input text
We the People of the United States, in Order to form a more perfect Union, establish Justice, insure domestic Tranquility, provide for the common defence, promote the general Welfare, and secure the Blessings of Liberty to ourselves and our Posterity, do ordain and establish this Constitution for the United States of America
word-at-a-time command will output:
we the people of the united states in order to form [...] [...] establish this constitution for the united states of america