gemlog.sh/gemlog.sh

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#!/usr/bin/env bash
# Copyright 2020 nytpu
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
# fill out variables here
make_globals() {
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global_title="yatg"
global_description="yet another tech gemlog"
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global_url="gemini://nytpu.com/gemlog/" # link to base url of blog
global_author="nytpu"
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global_author_email="alex@nytpu.com"
global_author_url="gemini://nytpu.com/"
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global_license="CC by"
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gemlog_feed="atom.xml" # filename of the atom feed
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number_of_feed_articles="50" # number of posts in rss feed
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feed_base_url="https://nytpu.com/files/" # base url that the feed is hosted at
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index="index.gmi" # main page, not recommended to change
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# don't change these
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gemlog_sh_link="https://tildegit.org/nytpu/gemlog.sh"
date_format_8601="+%Y-%m-%dT%H:%M:%S%:z"
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}
get_post_title() {
cat "$1" | perl -lne 's/#{1,3}\s+(.*)/\1/ or next; print; exit'
}
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make_atom() {
echo "Making Atom"
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atomfile="$gemlog_feed.$RANDOM"
while [[ -f $atomfile ]]; do atomfile="$gemlog_feed.$RANDOM"; done
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{
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pubdate=$(date "$date_format_8601")
cat << EOF
<?xml version="1.0" encoding="utf-8"?>
<feed xmlns="http://www.w3.org/2005/Atom">
<title>$global_title</title>
<subtitle>$global_description</subtitle>
<link rel='self' href='$feed_base_url$gemlog_feed'/>
<link rel='alternate' href='$global_url$index'/>
<updated>$pubdate</updated>
<author>
<name>$global_author</name>
<email>$global_author_email</email
<uri>$global_author_url</uri>
</author>
<id>$global_url</id>
<generator uri='$gemlog_sh_link'>gemlog.sh</generator>
<rights>© $global_author - $global_license</rights>
EOF
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n=0
while IFS='' read -r i; do
((n >= number_of_feed_articles)) && break
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printf "\n <entry>\n <title>"
get_post_title "$i" | tr -d '\n'
printf "</title>\n <id>$global_url${i#'./'}</id>\n"
printf " <link rel='alternate' href='$global_url${i#'./'}'/>\n <updated>"
echo "$i" | perl -ne '/^(\d{4}-\d{2}-\d{2}).*/; print $1' | date "$date_format_8601" -f - | tr -d '\n'
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printf "</updated>\n <summary>You need a gemini protocol client to view this post. If you have one installed, here is the link to the post: $global_url${i#'./'}\"&gt;$global_url${i#'./'}</summary>\n </entry>\n"
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n=$(( n + 1 ))
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done < <(ls -r [[:digit:]]*.gmi)
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printf '</feed>'
} 3>&1 >"$atomfile"
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mv "$atomfile" "$gemlog_feed"
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chmod 644 "$gemlog_feed"
}
# change this to what you want
build_entries() {
echo "Building entries"
{
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sed 's/$/\r/g' << 'EOF'
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```yet another tech gemlog (yatg) by nytpu
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,───────────────.
(_\ _________ \ __
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│ /__|___|__\ │ __ ______ _/ /_____ _
`. \ / ,' │ / / / / __ `/ __/ __ `/
`.\ /,' │ / /_/ / /_/ / /_/ /_/ /
`.'\__, /\__,_/\__/\__, /
│ YET ANOTHER │ /____/ /____/
_│ TECH GEMLOG │ by nytpu
(_/_______________/
```
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EOF
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while IFS='' read -r i; do
post=$(basename $i)
title=$(get_post_title "$i")
pubdate=$(echo $i | perl -ne '/^(\d{4}-\d{2}-\d{2}).*/; print $1')
printf "=> $global_url$post $pubdate$title\r\n"
done < <(ls -r [[:digit:]]*.gmi)
printf "\r\n\r\n"
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printf "=> / go home\r\n"
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printf "\r\n"
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printf "this gemlog has an atom feed at:\r\n"
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printf "=> $feed_base_url$gemlog_feed [https] $feed_base_url$gemlog_feed\r\n"
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printf "=> /gemlog/$gemlog_feed or here to access it through gemini\r\n"
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printf "\r\n"
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printf "=> /gemlog/old/ click here to view an archive of my old gemlog"
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} 3>&1 >"$index"
}
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toot() {
filename=$(ls -r ./[[:digit:]]*.gmi | head -n 1 | xargs basename)
title=$(get_post_title "$filename")
read -r -p "do you want to toot the newest post? [y/N] " response
if [[ "$response" =~ ^([yY][eE][sS]|[yY])$ ]]
then
printf "new blog post: ${title}\n\ngemini://nytpu.com/gemlog/${filename}" | toot post
fi
}
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make_globals
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make_atom
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build_entries
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toot
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