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-#! /usr/bin/sh
-# wordcount.sh 1.2 Copyright 2000/02/21 Michael John Downes
-# This script has no restrictions on its use, distribution, or sale.
-#
-# This is a Unix Bourne shell script that counts the characters and
-# spaces in a LaTeX document by running it through LaTeX using
-# wordcount.tex, and then counting the lines in the resulting
-# wordcount.log file that match a special pattern. It assumes that you
-# have a program "grep" with a -c option meaning "Report the number of
-# matching lines". To use perl or some other tool instead of grep,
-# redefine $COUNT in some suitable way, below.
-#
-# The characters that are counted with this method are actual font
-# characters in the page body (excluding running heads): in math, each
-# subscript and superscript character is counted separately, even when
-# they appear one over the other; and so are the separate combining
-# pieces used to make large delimiters. Interword spaces are counted as
-# separate characters, and so are the spaces around mathrel symbols in
-# math formulas (equal signs and the like)---but not the spaces around
-# mathbin symbols (plus, minus, and the like).
-#
-# You can count words by dividing the character count by 5 (or
-# whatever), or by counting the occurrences of interword spaces. The
-# latter method (illustrated here) is highly accurate at counting the
-# actual number of words---until tables or math formulas enter the
-# picture. In the case of tables, the number of words will tend to be
-# overestimated because tabskip glue, counted as an interword space,
-# appears on both sides of each table cell. (Not counting the tabskip
-# glue at all would result in an underestimate, and the underestimate
-# would tend to be slightly less accurate than the overestimate that we
-# have chosen to do.)
-#
-# And of course, in the case of math formulas, how do you define what is
-# a "word"?
-
-SCRIPT=`basename $0`
-LOGFILE=wordcount.log
-COUNT="grep -c"
-LATEX=latex
-
-die () {
- echo "$@ was apparently unsuccessful."
- exit 1
-}
-
-no_files_msg () {
- echo "$SCRIPT: At least one file name must be supplied" \
- "on the command line."
- exit 1
-}
-
-case X$1 in
- X) no_files_msg ;;
- *) : ;;
-esac
-
-for f in "$@"
-do
- # Since \? is not defined by LaTeX itself, this use via \csname causes
- # it to be defined as \relax, and it then serves as a filename
- # terminator. And within wordcount.tex if \? is found to be no longer
- # undefined, certain messages are suppressed.
- echo "$f" | $LATEX 'wordcount.tex\csname ?\endcsname' || die "LaTeX run"
- # Count interword spaces and end-of-paragraph spaces
- words=`$COUNT '3[.]0863[35]' $LOGFILE` || die "Log search"
- # Count nonspace characters and interword spaces
- chars=`$COUNT '3[.]0863[23]' $LOGFILE` || die "Log search"
- # If you want to see what the log file looks like, comment out the
- # following line:
- rm $LOGFILE
- echo "$f contains $chars characters and $words words."
-done