Please note: following the release of the new version of PubMed, the results returned by E-utilities queries of PubMed may differ slightly from those returned in the web version of PubMed. A new PubMed API is currently under development: more information will be announced when available.
As new Insider's Guide classes are no longer being offered, this site is not currently being updated. Please refer to NCBI's E-utilities documentation for more up-to-date information.
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