#!/bin/sh
#
# tex-thumbnailer - Thumbnailer script for TEX (TeX/LaTeX) files.
#
# Usage: tex-thumbnailer tex-file png-file size
#

# command line parameters
ifile=$1
ofile=$2
size=$3

file=`basename "${ifile}" .tex`
mkdir "/tmp/${file}"
tmpfile="/tmp/${file}/${file}.dvi"
# the output file will be called ${file}.dvi where ${file}=`basename $ifile .tex`
file=`basename "${ifile}" .tex`

latex -interaction=nonstopmode -output-directory=/tmp/${file} "$ifile"

if [ ! -f ${tmpfile} ]; then
    exit 1
fi

convert "dvi:${tmpfile}[0]" -scale "$sizex$size" "png:${ofile}"

# clean up temporary files
rm -r /tmp/${file}