#!/bin/sh

# argument checking
if [ ${#} -ne "2" ]; then
	echo "Usage: ${0} <word document> <dvi output file>"
	exit 1
fi

which wvLatex >/dev/null 2>&1
if [ ${?} -ne "0" ]; then
	echo "Could not find required program 'wvLatex'"
	exit 1
fi

which latex >/dev/null 2>&1
if [ ${?} -ne "0" ]; then
	echo "Could not find required program 'latex'"
	exit 1
fi

#
LATEX_FILE="${2}.tex"

wvLatex "${1}" "${LATEX_FILE}" >/dev/null 2>&1
if [ ${?} -ne "0" ]; then
    echo "Error converting into LaTeX"
    exit 1
fi

DIRNAME=`dirname "$2"`
BASENAME=`basename "$LATEX_FILE"`
(
cd "$DIRNAME"

latex --interaction=batchmode "${BASENAME}" >/dev/null 2>&1
if [ ${?} -ne "0" ]; then
	echo "Conversion into dvi failed"
	exit 1
fi

)

# clean up after ourselves
rm -f "${LATEX_FILE}" 
mv "${2}.dvi" "${2}"