_SENTENCEWORDS — Returns the total number of words in the last file processed by WORDS which are part of a recognized sentence.

Syntax:
%_SENTENCEWORDS

A ‘sentence’ is a word or series of words ending with a period, exclamation mark, or question mark. Divide %_SENTENCEWORDS by %_SENTENCES to get the average sentence length.

If the WORDS command has not been called, or if there was any error reading the last file, this variable returns the value N/A.