initial commit
This commit is contained in:
commit
1a1e72e6e9
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#!/bin/bash
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<<LICENSE
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MIT License
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Copyright (c) 2016 Chad Braun-Duin
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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LICENSE
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# uncomment the following two lines if you have both BSD sed and GNU sed installed
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# this script is only tested to work with GNU sed which may have the command gsed
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# shopt -s expand_aliases
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# alias sed=gsed
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# move the original text to a temp file that can be progressively modified
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temp_file="/tmp/markdown.$$"
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cat "$@" > "$temp_file"
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# All of this below business is for reference-style links and images
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# We need to loop across newlines and not spaces
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IFS='
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'
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refs=$(sed -nr "/^\[.+\]: +/p" "$@")
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for ref in $refs
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do
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ref_id=$(echo -n "$ref" | sed -nr "s/^\[(.+)\]: .*/\1/p" | tr -d '\n')
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ref_url=$(echo -n "$ref" | sed -nr "s/^\[.+\]: (.+)/\1/p" | cut -d' ' -f1 | tr -d '\n')
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ref_title=$(echo -n "$ref" | sed -nr "s/^\[.+\]: (.+) \"(.+)\"/\2/p" | sed 's@|@!@g' | tr -d '\n')
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# reference-style image using the label
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sed -ri "s|!\[([^]]+)\]\[($ref_id)\]|<img src=\"$ref_url\" title=\"$ref_title\" alt=\"\1\" />|gI" "$temp_file"
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# reference-style link using the label
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sed -ri "s|\[([^]]+)\]\[($ref_id)\]|<a href=\"$ref_url\" title=\"$ref_title\">\1</a>|gI" "$temp_file"
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# implicit reference-style
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sed -ri "s|!\[($ref_id)\]\[\]|<img src=\"$ref_url\" title=\"$ref_title\" alt=\"\1\" />|gI" "$temp_file"
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# implicit reference-style
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sed -ri "s|\[($ref_id)\]\[\]|<a href=\"$ref_url\" title=\"$ref_title\">\1</a>|gI" "$temp_file"
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done
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# delete the reference lines
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sed -ri "/^\[.+\]: +/d" "$temp_file"
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# blockquotes
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# use grep to find all the nested blockquotes
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while grep '^> ' "$temp_file" >/dev/null
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do
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sed -nri '
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/^$/b blockquote
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H
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$ b blockquote
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b
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:blockquote
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x
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s/(\n+)(> .*)/\1<blockquote>\n\2\n<\/blockquote>/ # wrap the tags in a blockquote
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p
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' "$temp_file"
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sed -i '1 d' "$temp_file" # cleanup superfluous first line
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# cleanup blank lines and remove subsequent blockquote characters
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sed -ri '
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/^> /s/^> (.*)/\1/
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' "$temp_file"
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done
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# Setext-style headers
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sed -nri '
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# Setext-style headers need to be wrapped around newlines
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/^$/ b print
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# else, append to holding area
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H
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$ b print
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b
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:print
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x
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/=+$/{
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s/\n(.*)\n=+$/\n<h1>\1<\/h1>/
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p
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b
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}
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/\-+$/{
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s/\n(.*)\n\-+$/\n<h2>\1<\/h2>/
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p
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b
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}
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p
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' "$temp_file"
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sed -i '1 d' "$temp_file" # cleanup superfluous first line
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# atx-style headers and other block styles
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sed -ri '
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/^#+ /s/ #+$// # kill all ending header characters
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/^# /s/# ([A-Za-z0-9 ]*)(.*)/<h1 id="\1">\1\2<\/h1>/g # H1
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/^#{2} /s/#{2} ([A-Za-z0-9 ]*)(.*)/<h2 id="\1">\1\2<\/h2>/g # H2
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/^#{3} /s/#{3} ([A-Za-z0-9 ]*)(.*)/<h3 id="\1">\1\2<\/h3>/g # H3
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/^#{4} /s/#{4} ([A-Za-z0-9 ]*)(.*)/<h4 id="\1">\1\2<\/h4>/g # H4
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/^#{5} /s/#{5} ([A-Za-z0-9 ]*)(.*)/<h5 id="\1">\1\2<\/h5>/g # H5
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/^#{6} /s/#{6} ([A-Za-z0-9 ]*)(.*)/<h6 id="\1">\1\2<\/h6>/g # H6
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/^\*\*\*+$/s/\*\*\*+/<hr \/>/ # hr with *
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/^---+$/s/---+/<hr \/>/ # hr with -
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/^___+$/s/___+/<hr \/>/ # hr with _
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' "$temp_file"
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# unordered lists
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# use grep to find all the nested lists
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while grep '^[\*\+\-] ' "$temp_file" >/dev/null
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do
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sed -nri '
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# wrap the list
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/^$/b list
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# wrap the li tags then add to the hold buffer
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# use uli instead of li to avoid collisions when processing nested lists
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/^[\*\+\-] /s/[\*\+\-] (.*)/<\/uli>\n<uli>\n\1/
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H
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$ b list # if at end of file, check for the end of a list
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b # else, branch to the end of the script
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# this is where a list is checked for the pattern
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:list
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# exchange the hold space into the pattern space
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x
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# look for the list items, if there wrap the ul tags
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/<uli>/{
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s/(.*)/\n<ul>\1\n<\/uli>\n<\/ul>/ # close the ul tags
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s/\n<\/uli>// # kill the first superfluous closing tag
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p
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b
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}
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p
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' "$temp_file"
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sed -i '1 d' "$temp_file" # cleanup superfluous first line
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# convert to the proper li to avoid collisions with nested lists
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sed -i 's/uli>/li>/g' "$temp_file"
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# prepare any nested lists
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sed -ri '/^[\*\+\-] /s/(.*)/\n\1\n/' "$temp_file"
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done
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# ordered lists
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# use grep to find all the nested lists
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while grep -E '^[1-9]+\. ' "$temp_file" >/dev/null
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do
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sed -nri '
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# wrap the list
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/^$/b list
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# wrap the li tags then add to the hold buffer
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# use oli instead of li to avoid collisions when processing nested lists
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/^[1-9]+\. /s/[1-9]+\. (.*)/<\/oli>\n<oli>\n\1/
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H
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$ b list # if at end of file, check for the end of a list
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b # else, branch to the end of the script
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:list
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# exchange the hold space into the pattern space
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x
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# look for the list items, if there wrap the ol tags
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/<oli>/{
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s/(.*)/\n<ol>\1\n<\/oli>\n<\/ol>/ # close the ol tags
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s/\n<\/oli>// # kill the first superfluous closing tag
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p
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b
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}
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p
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' "$temp_file"
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sed -i '1 d' "$temp_file" # cleanup superfluous first line
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# convert list items into proper list items to avoid collisions with nested lists
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sed -i 's/oli>/li>/g' "$temp_file"
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# prepare any nested lists
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sed -ri '/^[1-9]+\. /s/(.*)/\n\1\n/' "$temp_file"
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done
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# make escaped periods literal
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sed -ri '/^[1-9]+\\. /s/([1-9]+)\\. /\1\. /' "$temp_file"
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# code blocks
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sed -nri '
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# if at end of file, append the current line to the hold buffer and print it
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${
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H
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b code
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}
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# wrap the code block on any non code block lines
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/^\t| {4}/!b code
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# else, append to the holding buffer and do nothing
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H
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b # else, branch to the end of the script
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:code
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# exchange the hold space with the pattern space
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x
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# look for the code items, if there wrap the pre-code tags
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/\t| {4}/{
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s/(\t| {4})(.*)/<pre><code>\n\1\2\n<\/code><\/pre>/ # wrap the ending tags
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p
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b
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}
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p
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' "$temp_file"
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sed -i '1 d' "$temp_file" # cleanup superfluous first line
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# convert html characters inside pre-code tags into printable representations
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sed -ri '
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# get inside pre-code tags
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/^<pre><code>/{
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:inside
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n
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# if you found the end tags, branch out
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/^<\/code><\/pre>/!{
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s/&/\&/g # ampersand
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s/</\</g # less than
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s/>/\>/g # greater than
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b inside
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}
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}
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' "$temp_file"
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# remove the first tab (or 4 spaces) from the code lines
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sed -ri 's/^\t| {4}(.*)/\1/' "$temp_file"
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# br tags
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sed -ri '
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# if an empty line, append it to the next line, then check on whether there is two in a row
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/^$/ {
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N
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N
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/^\n{2}/s/(.*)/\n<br \/>\1/
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}
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' "$temp_file"
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# emphasis and strong emphasis and strikethrough
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sed -nri '
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# batch up the entire stream of text until a line break in the action
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/^$/b emphasis
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H
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$ b emphasis
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b
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:emphasis
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x
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s/\*\*(.+)\*\*/<strong>\1<\/strong>/g
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s/__([^_]+)__/<strong>\1<\/strong>/g
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s/\*([^\*]+)\*/<em>\1<\/em>/g
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s/([^\\])_([^_]+)_/\1<em>\2<\/em>/g
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s/\~\~(.+)\~\~/<strike>\1<\/strike>/g
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p
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' "$temp_file"
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sed -i '1 d' "$temp_file" # cleanup superfluous first line
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# paragraphs
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sed -nri '
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# if an empty line, check the paragraph
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/^$/ b para
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# else append it to the hold buffer
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H
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# at end of file, check paragraph
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$ b para
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# now branch to end of script
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b
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# this is where a paragraph is checked for the pattern
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:para
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# return the entire paragraph into the pattern space
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x
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# look for non block-level elements, if there - print the p tags
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/\n<(div|table|pre|p|[ou]l|h[1-6]|[bh]r|blockquote|li)/!{
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s/(\n+)(.*)/\1<p>\n\2\n<\/p>/
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p
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b
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}
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p
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' "$temp_file"
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sed -i '1 d' "$temp_file" # cleanup superfluous first line
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# cleanup area where P tags have broken nesting
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sed -nri '
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# if the line looks like like an end tag
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/^<\/(div|table|pre|p|[ou]l|h[1-6]|[bh]r|blockquote)>/{
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h
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# if EOF, print the line
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$ {
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x
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b done
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}
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# fetch the next line and check on whether or not it is a P tag
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n
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/^<\/p>/{
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G
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b done
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}
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# else, append the line to the previous line and print them both
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H
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x
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}
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:done
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p
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' "$temp_file"
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# inline styles and special characters
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sed -ri '
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s/<(http[s]?:\/\/.*)>/<a href=\"\1\">\1<\/a>/g # automatic links
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s/<(.*@.*\..*)>/<a href=\"mailto:\1\">\1<\/a>/g # automatic email address links
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# inline code
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s/([^\\])``+ *([^ ]*) *``+/\1<code>\2<\/code>/g
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s/([^\\])`([^`]*)`/\1<code>\2<\/code>/g
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s/!\[(.*)\]\((.*) \"(.*)\"\)/<img alt=\"\1\" src=\"\2\" title=\"\3\" \/>/g # inline image with title
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s/!\[(.*)\]\((.*)\)/<img alt=\"\1\" src=\"\2\" \/>/g # inline image without title
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s/\[(.*)]\((.*) "(.*)"\)/<a href=\"\2\" title=\"\3\">\1<\/a>/g # inline link with title
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s/\[(.*)]\((.*)\)/<a href=\"\2\">\1<\/a>/g # inline link
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# special characters
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/&.+;/!s/&/\&/g # ampersand
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/<[\/a-zA-Z]/!s/</\</g# less than bracket
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# backslash escapes for literal characters
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s/\\\*/\*/g # asterisk
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s/\\_/_/g # underscore
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s/\\`/`/g # underscore
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s/\\#/#/g # pound or hash
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s/\\\+/\+/g # plus
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s/\\\-/\-/g # minus
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s/\\\\/\\/g # backslash
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' "$temp_file"
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# display and cleanup
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cat "$temp_file" && rm "$temp_file"
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@ -0,0 +1,12 @@
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Prompt for title
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generate html headers
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$(date); os, software; xml parsers to see if updating existing page?
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store in variable; use sed and newline delimiters if needed
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prompt for body
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vipe; probably markdown
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fuck it, sed NO BAD
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write navbar, sidebar with already-made files
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edit navbar based on url
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@ -0,0 +1,4 @@
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coreutils
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markdown.sh #https://github.com/chadbraunduin/markdown.bash, included in repo as markdown.sh
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moreutils # For text editor support
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Reference in New Issue