compiler

#!/bin/sh

### Test usage; if incorrect, output correct usage and exit
if [ "$#" -gt 1  -o  "$#" -eq 0 ]; then
	echo "Compilation error"
	exit
fi
# Stem and extension of file
filestem=`echo $1 | cut -f1 -d.`
extension=`echo $1 | cut -f2 -d.`

### Test if file exist
if [[ ! -r $1 ]]; then
	echo -e "\n File does not exist, or option mispecified \n"
	exit
fi

### Test file extension
if [[ $extension != tex ]]; then
	echo -e "\n Invalid input file, must be a tex-file \n"
	exit
fi

latex $filestem.tex
bibtex $filestem.aux
latex $filestem.tex
bibtex $filestem.aux
bibtex $filestem.aux
latex $filestem.tex
bibtex $filestem.aux
latex $filestem.tex
dvips -P pdf $filestem.dvi
ps2pdf $filestem.ps