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\documentclass{article}
\newcommand*{\email}[1]{$\langle$\texttt{#1}$\rangle$}
\newcommand{\BibTeX}{\textsc{Bib}\TeX}
\begin{document}
\title{Preliminary thoughts on automatic author indexing with \BibTeX\
and \texttt{index.sty}}
\author{David M. Jones}
\date{September 28, 1995}
\maketitle
\begin{abstract}
A method for automically indexing the names of authors in a
bibliography is described. The ideas presented here were developed in
conjunction with Berwin A. Turlach \email{berwin@core.ucl.ac.be} in
Spring 1994, but he has not seen the current writeup and is not
responsible for its contents.
\end{abstract}
When producing a name index, one typically wants to include entries
for all authors mentioned in the bibliography, as well entries for
each point in the text where an item of the bibliography is cited. It
would obviously be useful if this stage of the index compilation could
be automated. This note sketches a procedure for doing this using
\BibTeX\ and \texttt{index.sty}. There are essentially two parts:
modifying the BST file to produce appopriate indexing information in
the BBL file, and modifying the \verb+\cite+ command to make use of
this information.
The BST file should produce something like
\begin{verbatim}
\bibitem{Adamowicz92}
\authorindexentries{Adamowicz92}{\do{Adamowicz, Zofia}}
Zofia Adamowicz.
\end{verbatim}
Then \verb+\authorindexentries+ could both execute its argument to
produce index entries for the bibliography and also store the index
entries for later retrieval by the \verb+\cite+ command. This
requires two new functions and a slight modification of one old
function (\verb+output.bibitem+):
\begin{verbatim}
FUNCTION {format.name.index.entry}
{
"\do{"
s nameptr "{vv~}{ll}{, jj}{, ff}" format.name$
duplicate$ purify$ swap$ "@" swap$ * *
"}" * *
}
FUNCTION {format.author.index.entries}
{
author empty$
'skip$
{
author 's :=
#1 'nameptr :=
s num.names$ 'numnames :=
"\authorindexentries{"
cite$ *
"}{" *
numnames 'namesleft :=
{ namesleft #0 > }
{ format.name.index.entry *
nameptr #1 + 'nameptr :=
namesleft #1 - 'namesleft :=
}
while$
"}" * write$
newline$
}
if$
}
FUNCTION {output.bibitem}
{ newline$
"\bibitem{" write$
cite$ write$
"}" write$
newline$
format.author.index.entries % modification
""
before.all 'output.state :=
}
\end{verbatim}
These can be inserted into the bst file after the definition of
\verb+format.names+. (\verb+output.bibitem+ has to be moved from it's
position earlier in the file.)
A minimal definition of \verb+\authorindexentries+ can be found in the
accompanying file \texttt{autind.sty}.
The fun part is trying to modify the \verb+\cite+ command without
assuming too much about how it is defined. It would be nice if we
could just type something like
\begin{verbatim}
\adjustcitation\cite
\adjustcitation\citeasnoun
\end{verbatim}
and then have \verb+\cite+ and \verb+\citeasnoun+ automatically add
the appropriate author index entries. Assuming that the commands
behave like the standard \LaTeX\ \verb+\cite+ command (i.e., they take
one optional argument and one required argument, which is a list of
citekeys), the \verb+\adjustcitation+ macro in \texttt{autind.sty} more
or less does the job.
The only other macro needed is \verb+\authorindex@cite+, which pulls
in the author index entries from the appropriate
\verb+\authorindexentries+ command. This macro is also found in \texttt{autind.sty}.
I've tried this approach on \texttt{plain.bst} and the standard
\LaTeX\ \verb+\cite+ command and also on the \verb+\cite+ and
\verb+\citeasnoun+ commands in \texttt{harvard.sty}, and it seems to
work. The accompanying files \texttt{plaintst.tex},
\texttt{agsmtst.tex}, \texttt{test.bib}, \texttt{xplain.bst}, and
\texttt{xagsm.bst} demonstrate the procedure.
More testing is needed, but unless there's some major flaw that I'm
overlooking, this should work with any citation commands that aren't
too different from the standard \verb+\cite+ command and with any
bibliography files that aren't too different from the standard styles.
\end{document}
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