💾 Archived View for tilde.club › ~filip › tech › script › ytfeed › ytfeed captured on 2023-07-22 at 17:30:55.
⬅️ Previous capture (2022-07-16)
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#!/usr/bin/env bash
printhelp(){
echo "Render YouTube channel feeds into Gemtext."
echo "Usage:"
echo " $0 <CHANNEL_ID> | <CHANNEL_ID-CHANNEL_TITLE TSV FILE> [ <FLAG> ]"
echo " $0 -h"
echo "<FLAG>:"
echo " -n - only the newest entry"
echo " -l - URLs only"
echo " -ln - only the newest URL"
}
xml2links(){
# Parameter: channel_id flag
channel_id="$1"
flag="$2"
first_line=0
first_title=0
first_link=0
while read xml_line; do
if (( first_line == 0 )); then
[[ "$xml_line" == "<!DOCTYPE html>" ]] && echo "Channel does not exist!" && exit
first_line=1
fi
title_re='<title>(.*)</title>'
[[ $xml_line =~ $title_re ]] && title="${BASH_REMATCH[1]}"
link_re='^<link rel="alternate" href="(.*)"/>'
[[ $xml_line =~ $link_re ]] && link="${BASH_REMATCH[1]}"
if [[ "$link" != "" ]]; then
if (( first_title == 0 )); then
l_flag_re='^-l.*'
[[ $flag =~ $l_flag_re ]] || echo "# $title (Channel ID: $channel_id)"
link=""
first_title=1
else
case $flag in
-n)
echo "=>$link $title"
break
;;
-l)
echo "$link"
link=""
;;
-ln)
echo "$link"
link=""
break
;;
*)
echo "=>$link $title"
link=""
;;
esac
fi
fi
done < <(curl "https://www.youtube.com/feeds/videos.xml?channel_id=$channel_id" 2>/dev/null)
}
flags=("" "-n" "-l" "-ln")
[[ "$1" == "-h" ]] && printhelp && exit
if [[ "${flags[@]}" =~ $2 ]]; then
if [[ -f "$1" ]]; then
while read line; do
channel_id=$(echo "$line" | cut -f1)
xml2links "$channel_id" "$2"
done < "$1"
else
xml2links "$1" "$2"
fi
else
echo "Invalid flag! Use -h for help."
fi