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|
#!/bin/sh
# $ITI: tex-it,v 1.3 1995/06/14 10:49:12 schrod Exp $
#----------------------------------------------------------------------
#
# tex-it --- transform a TeX document to a final DVI file
#
# (history at end)
# SYNOPSIS
#
# tex-it [-bi] tex-cmd file
#
# tex-it runs 'tex-cmd' on 'file' as often as necessary to produce a
# DVI file where all cross references are resolved. That convergence
# is reached by analyzing auxilliary files:
# -- If file.toc has changed, the table of contents is not up to date.
# -- If file.idx has changed, the index is not up to date.
# MakeIndex is assumed to be used for creating the index.
# -- If file.aux has changed, cross references are not up to date.
# -- If file.aux contains a "\bibdata" tag and if the set of
# "\citation" tags have changed, then BibTeX is run.
#
# No other auxilliary files are handled. No subdocuments (via
# "\include") are supported.
#
# 'tex-cmd' may be more than one word.
#
#
# OPTIONS
# `-b' skip test for BibTeX
# `-i' skip test for MakeIndex
# NOTE: On HP-UX this script is not functional, you have to substitute
# /bin/sh by /bin/ksh in the first line. (/bin/sh doesn't have the
# getopts builtin.)
cmd=`basename $0`
usage()
{
echo "usage: $cmd [-bi] tex-cmd file" >&2
exit 1
}
# Normalize and check arguments.
do_bibtex=true
do_makeindex=true
while getopts 'bi' option
do case "$option" in
b) do_bibtex=''
;;
i) do_makeindex=''
;;
*) usage
;;
esac
done
shift `expr $OPTIND - 1`
test $# -gt 0 || usage
# Get file name (last argument), discard extension if necessary.
file=`eval "echo \\$$#"`
file=`echo $file | sed 's/\.[^.]*//'`
# Create temporary directory for auxilliary files to compare. Discard
# that directory if the script is terminated. Note that trap handler
# for 0 is executed at the end of the trap handler for the other
# signals.
tmp=/tmp/tex$$
trap "/bin/rm -rf $tmp" 0
trap "exit 4" 1 2 3 15
mkdir $tmp
# ------------------------------------------------------------
#
# Set up functions that save auxilliary information and check if they
# have changed. Save functions are called `save_<type>', check
# functions are called `check_<type>'. Check functions set $run_tex to
# "true" if TeX must be run anew. Check functions may run programs to
# create other auxilliary files.
# aux: table of contents & cross references
#
# We don't check for *.toc files. LaTeX stores the information in the
# AUX file anyhow, and plain-based macros typically produce the table
# of contents at the end of the document, when it's guaranteed to be
# OK.
save_aux()
{
if [ -f "$file.aux" ]
then cp "$file.aux" $tmp
else touch "$tmp/$file.aux"
fi
}
check_aux()
{
test -f "$file.aux" || return 0
cmp -s "$file.aux" "$tmp/$file.aux" || run_tex=true
}
# bibtex: Citations
save_bibtex()
{
if [ -f "$file.aux" ]
then egrep '^\\(citation|bibdata)' "$file.aux" |
sort >"$tmp/$file.bib"
else touch "$tmp/$file.bib"
fi
}
check_bibtex()
{
test "$do_bibtex" -a -f "$file.aux" || return 0
egrep '^\\(citation|bibdata)' "$file.aux" | sort >$tmp/bib.new
if grep '^\\bibdata' $tmp/bib.new >/dev/null
then if cmp -s "$tmp/$file.bib" $tmp/bib.new
then : do nothing
else bibtex "$file"
run_tex=true
fi
fi
}
# idx: raw index data
save_idx()
{
if [ -f "$file.idx" ]
then cp "$file.idx" $tmp
else touch "$tmp/$file.idx"
fi
}
check_idx()
{
test "$do_makeindex" -a -f "$file.idx" || return 0
if cmp -s "$file.idx" "$tmp/$file.idx"
then : do nothing
else makeindex "$file"
run_tex=true
fi
}
# Two functions that collect the functions above.
save_aux_info()
{
save_aux
save_bibtex
save_idx
}
check_aux_info()
{
check_aux
check_bibtex
check_idx
}
# Process the document by TeX. Determine if TeX must be run anew by
# the functions realized above.
run_tex=true
while [ "$run_tex" ]
do save_aux_info
"$@"
run_tex=''
check_aux_info
done
#======================================================================
#
# $ITIlog: tex-it,v $
# Revision 1.3 1995/06/14 10:49:12 schrod
# HP-UX /bin/sh doesn't grok getopts, use ksh instead.
#
# Revision 1.2 1995/04/19 14:31:06 schrod
# Support MakeIndex call, too.
#
# Revision 1.1 1995/03/14 17:07:26 schrod
# Added script to process a TeX document.
#
|
