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#!/bin/sh
set -eu
usage() {
cat <<-'EOF'
Usage:
md2html.sh -T TITLE [-D TOC_DEPTH] < FILE.md
md2html.sh -h
EOF
}
help() {
cat <<-'EOF'
Options:
-T TITLE the required title of the generated HTML
document
-D TOC_DEPTH the depth of the generated table of
contents (default: 2)
-h, --help show this message
Read markdown text from STDIN and emit HTML to STDOUT.
EOF
}
for flag in "$@"; do
case "$flag" in
--)
break
;;
--help)
usage
help
exit
;;
*)
;;
esac
done
TOC_DEPTH=2
while getopts 'T:D:h' flag; do
case "$flag" in
T)
TITLE="$OPTARG"
;;
D)
TOC_DEPTH="$OPTARG"
;;
h)
usage
help
exit
;;
*)
usage >&2
exit 2
;;
esac
done
shift $((OPTIND - 1))
eval "$(assert-arg "${TITLE:-}" '-T TITLE')"
pandoc \
-s \
--toc \
--toc-depth="$TOC_DEPTH" \
--metadata lang=en \
--metadata title="$TITLE" \
-H src/doc/head.html
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