Research V7 development

Work on file usr/man/man1/prep.1

Co-Authored-By: Dennis Ritchie <dmr@research.uucp>
Synthesized-from: v7

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+.TH PREP 1 
+.SH NAME
+prep \- prepare text for statistical processing
+.SH SYNOPSIS
+.B prep
+[
+.B \-dio
+]
+file ...
+.SH DESCRIPTION
+.I Prep
+reads each
+.I 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.
+.PP
+The following option letters may appear in any order:
+.TP
+.B \-d
+Print the word number (in the input
+stream) with each word.
+.TP
+.B \-i
+Take the next
+.I file
+as an `ignore' file.
+These words will not appear in the output.
+(They will be counted, for purposes of the
+.B \-d
+count.)
+.TP
+.B \-o
+Take the next 
+.I file
+as an `only' file.
+Only these words will appear in the output.
+(All other words will also be counted for
+the 
+.B \-d
+count.)
+.TP
+.B \-p
+Include punctuation marks (single nonalphanumeric characters)
+as separate output lines.
+The punctuation marks are not counted for the
+.B \-d
+count.
+.PP
+Ignore and only files contain words, one per line.
+.SH SEE ALSO
+deroff(1)