longnow-for-markdown

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longnow-for-markdown

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Utility for adding archive.org links to markdown files in the format [...](original link) ([a](archive.org link))

longnow-for-markdown 최신버젼 다운로드

최종 버전 다운로드 (.zip)

// repository documentation

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## About

This utility takes a markdown file, and creates a new markdown file in which each link is accompanied by an archive.org link, in the format `[...](original link) ([a](archive.org link))`.

I use it to archive links in [this forecasting newsletter](https://forecasting.substack.com), which contains the following footer:

> Note to the future: All links are added automatically to the Internet Archive, using this [tool](https://github.com/NunoSempere/longNowForMd) ([a](https://web.archive.org/web/20220109144543/https://github.com/NunoSempere/longNowForMd)). "(a)" for archived links was inspired by [Milan Griffes](https://www.flightfromperfection.com/) ([a](https://web.archive.org/web/20220109144604/https://www.flightfromperfection.com/)), [Andrew Zuckerman](https://www.andzuck.com/) ([a](https://web.archive.org/web/20211202120912/https://www.andzuck.com/)), and [Alexey Guzey](https://guzey.com/) ([a](https://web.archive.org/web/20220109144733/https://guzey.com/)).

## Requirements

This utility requires [archivenow](https://github.com/oduwsdl/archivenow) as a dependency, which itself requires a python installation. archivenow can be installed with

```
pip install archivenow ## respectively, pip3, pipx, etc. depending on the system. I use pipx
```

You can instead install it with a virtual environment, which is what works on Ubuntu 24.04:

```
cd ~/.local
git clone git@github.com:oduwsdl/archivenow.git
cd archivenow
python3 -m venv ./venv
source ./venv/bin/activate
pip install -r requirements.txt
pip install setuptools
pip install ./

ln -s $(realpath ./venv/bin/archivenow) ~/.local/bin/archivenow
```

longnow also requires [jq](https://stedolan.github.io/jq/download/), which can be installed as:

```
sudo apt install jq
```

if on Debian, or using your distribution's package manager otherwise.

## Installation

Add [this file](https://github.com/NunoSempere/longNowForMd/blob/master/longnow.sh) to your path, for instance by moving it to the `/usr/bin` folder and giving it execute permissions (with `chmod 755 longnow`)

```
curl https://raw.githubusercontent.com/NunoSempere/longNowForMd/master/longnow.sh > longnow
cat longnow ## probably a good idea to at least see what's there before giving it execute permissions
sudo chmod 755 longnow
mv longnow /bin/longnow
```

## Usage

```
$ longnow file.md
```

Initially, for a reasonably sized file, the process took a long time, so this was more of a "fire and forget, and then come back in a couple of hours" tool. The process can be safely stopped and restarted at any point, and archive links are remembered, but the errors file is created again each time. However, as of a recent iteration of this program, if archive.org already has a snapshot of the page, that snapshot is taken instead. This results in massive time savings, but could imply that a less up to date copy is used. If this behavior is not desired, it can be easily excised manually, by removing the lines around `if [ "$urlAlreadyInArchiveOnline" == "" ]; then`.

## To do

- Deal elegantly with images. Right now, they are also archived, and have to be removed manually afterwards.
- Possibly: Throttle requests to the internet archive less. Right now, I'm sending a link roughly every 12 seconds, and then sleeping for a minute every 15 requests. This is probably too much throttling (the theoretical limit is 15 requests per minute), but I think that it does reduce the error rate. 
- Do the same thing but for html files, or other formats
- Present to r/DataHoarders
- Pull requests are welcome.

## How to use to back up Google Files

You can download a .odt file from Google, and then convert it to a markdown file with

```
function odtToMd(){

input="$1"
  root="$(echo "$input" | sed 's/.odt//g' )"
  output="$root.md"

pandoc -s "$input" -t markdown-raw_html-native_divs-native_spans-fenced_divs-bracketed_spans | awk ' /^$/ { print "\n"; } /./ { printf("%s ", $0); } END { print ""; } ' | sed -r 's/([0-9]+\.)/\n\1/g' | sed -r 's/\*\*(.*)\*\*/## \1/g'  | tr -s " " | sed -r 's/\\//g' | sed -r 's/\[\*/\[/g' | sed -r 's/\*\]/\]/g' > "$output"
  ## Explanation: 
  ## markdown-raw_html-native_divs-native_spans-fenced_divs-bracketed_spans: various flags to generate some markdown I like
  ## sed -r 's/\*\*(.*)\*\*/## \1/g': transform **Header** into ## Header
  ## sed -r 's/\\//g': Delete annoying "\"s
  ## awk ' /^$/ { print "\n"; } /./ { printf("%s ", $0); } END { print ""; } ': compress paragraphs; see https://unix.stackexchange.com/questions/6910/there-must-be-a-better-way-to-replace-single-newlines-only
  ## sed -r 's/([0-9]*\.)/\n\1/g': Makes lists nicer.
  ## tr -s " ": Replaces multiple spaces
}

## Use: odtToMd file.odt
```

Then run this tool (`longnow file.md`). Afterwards, convert the output file (`file.longnow.md`) back to html with

```
function mdToHTML(){
  input="$1"
  root="$(echo "$input" | sed 's/.md//g' )"
  output="$root.html"
  pandoc -r gfm "$source" -o "$output"
  ## sed -i 's|\[ \]$([^$]*)\)| |g' "$source" ## This removes links around spaces, which are very annoying. See https://unix.stackexchange.com/questions/297686/non-greedy-match-with-sed-regex-emulate-perls
}

## Use: mdToHTML file.md
```

Then copy and paste the html into a Google doc and fix fomatting mistakes.

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