#!/usr/bin/env sh function err { echo "$@" >&2 } if [ $# -ne 1 ]; then err "./gmi2html.sh /path/to/gmi" exit 1; fi # main method GMI=$1 list=0 pre=0 quote=0 while read line; do # if in pre-mode and not closing - print and skip if [ $pre -eq 1 ]; then if [ ! -n "$(sed -nE '/^[`]{3}/p' <<< $line)" ]; then echo "$line" continue; fi fi # quotes if [ -n "$(sed -nE '/^[>] .+/p' <<< $line)" ]; then if [ $quote -eq 0 ]; then echo "
" fi quote=1; text=$(sed -E 's/^[>] (.+)$/\1/g' <<< $line) echo "

$text

" continue else if [ $quote -eq 1 ]; then if [ -z "$(sed -E '/^[#`*]/d' <<< $line)" ]; then echo "
" quote=0 fi fi fi if [ -n "$(sed -nE '/^[`]{3}/p' <<< $line)" ]; then if [ $pre -eq 0 ]; then echo "
"
	    pre=1
	else
	    echo "
" pre=0 fi continue; fi # lists if [ -n "$(sed -nE '/^[*] .+/p' <<< "$line")" ]; then if [ $list -eq 0 ]; then echo "" fi list=0; fi # single line modifiers if [ -n "$(sed -nE '/^# .+/p' <<< $line)" ]; then text=$(sed -E 's/^# (.+)$/\1/g' <<< $line) echo "

$text

" continue fi if [ -n "$(sed -nE '/^## .+/p' <<< $line)" ]; then text=$(sed -E 's/^## (.+)$/\1/g' <<< $line) echo "

$text

" continue fi if [ -n "$(sed -nE '/^### .+/p' <<< $line)" ]; then text=$(sed -E 's/^### (.+)$/\1/g' <<< $line) echo "

$text

" continue fi if [ -n "$(sed -nE '/^=> .+/p' <<< "$line")" ]; then href=$(sed -E 's/^=> ([^ ]+)([ ]?.*)/\1/g' <<< "$line") if [ -n "$(sed -nE '/^=> [^ ]+ .+$/p' <<< "$line")" ]; then text=$(sed -E 's/^=> [^ ]+ (.+)$/\1/g' <<< "$line") else text=$href fi if [ $quote -eq 1 ]; then echo "$text" else echo "

$text

" fi continue fi # skip blank lines if [ -z "$line" ]; then continue fi # default paragraphs if [ $quote -eq 1 ]; then echo "— $line" else echo "

$line

" fi done < $GMI