term% cat index.txt PREP(1) General Commands Manual PREP(1)
NAME
prep - prepare text for statistical processing
SYNOPSIS
prep [ -dio ] file ...
DESCRIPTION
Prep reads each file in sequence and writes it on the standard output,
one `word' to a line. A word is a string of alphabetic characters and
imbedded apostrophes, delimited by space or punctuation. Hyphented
words are broken apart; hyphens at the end of lines are removed and the
hyphenated parts are joined. Strings of digits are discarded.
The following option letters may appear in any order:
-d Print the word number (in the input stream) with each word.
-i Take the next file as an `ignore' file. These words will not
appear in the output. (They will be counted, for purposes of
the -d count.)
-o Take the next file as an `only' file. Only these words will ap‐
pear in the output. (All other words will also be counted for
the -d count.)
-p Include punctuation marks (single nonalphanumeric characters) as
separate output lines. The punctuation marks are not counted
for the -d count.
Ignore and only files contain words, one per line.
SEE ALSO
deroff(1)
PREP(1)