#!/bin/bash
#
# shell script to produce EPS from gnuplot commands, using LaTeX.
#
# adapted from a script found on the 'Net somewhere, author unknown.
# 
msg="usage is `basename $0` [-d] gnuplotinput.plotin"
if [ -z "$1" ]
then
    echo $msg
    exit 1
fi
if [ "$1" = '-d' ]
then
    debug=yes
    shift 1
fi

if [ -z "$1" ]
then
	echo $msg
	exit 1
fi
file=`dirname $1`/`basename $1 .plotin`
if [ ! -f ${file}.plotin ]
then
	echo ${file}.plotin not found
	exit 2
fi
output=${file}-temp.OUT
if [ -f $output ]
then
	rm $output
fi

gnuplot << EOF 
set terminal epslatex color
set output "${file}-plot.tex"
load "${file}.plotin"
EOF

cat << EOF >| ${file}-temp.tex
\documentclass{article}
\usepackage{graphicx}
\usepackage{latexsym}
\usepackage{mathptmx}
\usepackage[scaled=.90]{helvet}
\pagestyle{empty}
\begin{document}
\input{${file}-plot}
\end{document}
EOF

latex -interaction nonstopmode ${file}-temp.tex 1>>$output 2>&1
if [ $? -ne 0 ]
then
    echo "error running latex"
	echo output in $output
    exit 1
fi
dvips -E -o ${file}.eps ${file}-temp.dvi 1>>$output 2>&1
if [ $? -ne 0 ]
then
    echo "error running dvips"
	echo output in $output
    exit 1
fi
if grep "Can't make it EPSF" $output 1>/dev/null 2>/dev/null
then
    echo "error running dvips"
	echo output in $output
    exit 1
fi

if [ "$debug" != "yes" ]
then
	rm ${file}-plot.tex
	rm ${file}-plot.eps
	rm ${file}-temp.*
else
	echo output left in $output
fi