#!/bin/sh

if [ "$1" = "-h" ]; then
	cat <<EOF>&2
Usage: ${0##*/} [OPTIONS] [FILES]

LaTeX quick compiler. It adds the preambule and the "\end{document}"
automatically.

If no FILES are specified, use stdin.

Options:

  -p PACKAGES: Use the comma separated list of packages.

EOF
	exit
fi
[ "$1" = "--" ] && shift

## One line is mandatory.
PREAMBLE='\documentclass[10pt,a4paper]{article}\usepackage[utf8]{inputenc}\usepackage[T1]{fontenc}\usepackage{amsmath,amssymb,amsfonts}\usepackage{geometry}\usepackage{lmodern}\usepackage{marvosym}\usepackage{textcomp}\DeclareUnicodeCharacter{20AC}{\EUR{}}\DeclareUnicodeCharacter{2264}{\leqslant}\DeclareUnicodeCharacter{2265}{\geqslant}'

if [ "$1" = "-p" ]; then
	PACKAGES="\usepackage{$2}"
	shift 2
fi

if [ $# -eq 0 ]; then
	buf="$(cat)"
cat <<EOF | pdflatex -file-line-error-style
$PREAMBLE
$PACKAGES
\begin{document}
$buf
\end{document}
EOF

else
	for i ; do
		pdflatex -file-line-error-style -interaction nonstopmode -jobname="${i%.tex}" "$PREAMBLE" "$PACKAGES" "\begin{document}\input" "$i" "\end{document}"
	done
fi