websvgtex


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#!/bin/sh

err() {
	{ set +x; } 2>/dev/null
	echo "$@" >&2
	exit 1
}

ensure_noset() {  
        [ $# -lt 1 ] && return 0
	$@ || err failed executing: "$@"
}

ensure() {  
	{ set +x; } 2>/dev/null
        [ $# -lt 1 ] && return 0
	$@ || err failed executing: "$@"
	{ set -x; } 2>/dev/null
}

rxrand="$(base64 < /dev/random | tr -d '/+=' | head -c 10)"

opwd="$(pwd)"

ensure_noset mkdir /tmp/websvgtex-$rxrand
ensure_noset cd /tmp/websvgtex-$rxrand

cat >m.tex <<EOF
\documentclass[preview]{standalone}
\usepackage{amsmath}
\begin{document}
EOF

cat /dev/stdin >>m.tex

cat >>m.tex <<EOF
\end{document}
EOF

if [ -z "$1" ]
then
	export_filename="m.svg"
else
	export_filename="$1"
fi

{ set -x; } 2>/dev/null

ensure latex m.tex
ensure latex m.tex
ensure dvips m.dvi
ensure inkscape m.ps --export-plain-svg --export-filename="$export_filename"

ensure mv "$export_filename" "$opwd"