91 lines
2.6 KiB
Markdown
91 lines
2.6 KiB
Markdown
# Markdown to HTML
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A while back I made [gensite](https://gitlab.com/shockrah/site-generator) a static site generator that was built with pandoc users in mind.
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Along with the main script I packaged another script _translate.sh_ which is a (I think) full markdown to html translator.
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It uses mostly coreutil things like perl, echo, sed, and grep so it's pretty portable to most systems. Oh and it's built with Bash; though I'm probably going to updated it to run with Dash, a very strict POSIX shell to make it even more compatible.
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Oh yea did I mention its only 62 lines of actual code?
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Here's the full script in case you want it, or maybe want to add some new feature/syntax or whatevs.
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[Repo Link](https://gitlab.com/shockrah/site-generator)
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```sh
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#!/bin/bash
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# Why? becausee a simple markdown to html converter is required for those that
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# don't want to install pandoc that don't have it already
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IFS=$'\n'
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code=0
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ul=0
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paragraph() {
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# Replace  with proper img tag links
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[ -z $1 ] && echo ''
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[ 1 = $code ] && echo $1 || \
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echo '<p>'$1'</p>' | sed -E 's/`(.*)`/<code>\1<\/code>/g;s/\!\[(.*)\]\((.*)\)/<img src="\2" alt="\1">/g;s/\[(.*)\]\((.*)\)/<a href="\2">\1<\/a>/g'
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}
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convert_links() {
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sed -E 's/\[(.*)\]\((.*)\)/<a href="\2">\1<\/a>/g' < /dev/stdin
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}
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header() {
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depth=$(echo $1 | grep '^##*' -o | tr -d '\n' | wc -m)
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line=${1:$depth}
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echo "<h$depth>$line</h$depth>" | convert_links
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}
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blockquote() {
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# remove starting > symbols before doing anything
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echo "<blockquote>${1:1}</blockquote>" | convert_links
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}
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fluff_trim() {
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perl -0777 -pe 's/<\/p>\n<p>//g;s/<p><\/p>//g' < /dev/stdin
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}
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code_chunk() {
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if [ 0 = $code ];then
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code=1
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echo '<pre><code>'
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else
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code=0
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echo '</pre></code>'
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fi
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}
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set_ul() {
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if [ 1 = $ul ];then
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ul=2
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fi
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}
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unordered_list() {
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case $ul in
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0)echo "<ul><li>${1:1}</li>";ul=1;;
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1)echo "<li>${1:1}</li>";ul=1;;
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2)echo "<li>${1:1}</li></ul>";ul=0;;
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esac
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}
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if [ -z $1 ];then
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echo Usage: $0 file.md
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exit 0
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fi
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while read line;do
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case $line in
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\#*) set_ul; header $line;;
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\>*) set_ul; blockquote $line;;
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\`\`\`) set_ul; code_chunk;;
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\**) unordered_list $line;;
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# TODO: ordered_lists
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*) set_ul; paragraph "$line";;
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esac
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done < "$1" | fluff_trim | grep -v '^$'
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```
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