#!/bin/bash

OUTDIR=.         # where to put generated HTML files
SRCDIR=.         # where your source files are
SRCEXT=md        # extension of source files
PANDOC=pandoc
PANDOC_OPTIONS='--mathml --toc --toc-depth=2'
TEMPLATE=_templates/main.html

all=()
while IFS= read -d $'\0' -r f ; do
    all=("${all[@]}" "$f")
done < <(find $SRCDIR -path ./.git -prune -o -name '*.'$SRCEXT -print0)
echo Found source: ${all:?No source file found}

for i in `ls -rv ${all[@]}`; do
    if [ -f "$i" -a -n "${i%%*/_*}" ]; then # ignore underscored filenames
        j="$OUTDIR/${i##$SRCDIR/}"
        k="${j%.$SRCEXT}.html"
        echo -e "$i\n\t->\t$k"
        mkdir -p "${k%/*.html}"
        $PANDOC $PANDOC_OPTIONS -s --template $TEMPLATE $i -o $k
    fi
done

if [ -n "$1" ]; then # run your server
    ruby -run -e httpd $OUTDIR -p 4000
fi