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Extract xmlstarlet calls

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jultty 2024-05-19 21:13:45 -03:00
commit 5016ced432
2 changed files with 24 additions and 17 deletions
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4
feed.rss
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@ -6,11 +6,11 @@
<atom:link href="https://blog.jutty.dev/feed.rss" rel="self" type="application/rss+xml"/>
<description>jutty.dev: Blog</description>
<language>pt-br</language>
<lastBuildDate>Sun, 19 May 2024 19:13:50 -0300</lastBuildDate>
<lastBuildDate>Sun, 19 May 2024 21:11:05 -0300</lastBuildDate>
<docs>https://www.rssboard.org/rss-specification</docs>
<item>
<title>Scripts em OCaml</title>
<pubDate>Sun, 19 May 2024 19:13:50 -0300</pubDate>
<pubDate>Fri, 23 Feb 2024 21:23:00 -0300</pubDate>
<link>https://blog.jutty.dev/posts/scripts-em-ocaml.html</link>
<guid>https://blog.jutty.dev/posts/scripts-em-ocaml.html</guid>
<author>juno@jutty.dev (Juno Takano)</author>

37
update-feed.zsh
View file

@ -1,9 +1,21 @@
#!/usr/bin/env zsh
# dependencies: zsh, xmlstarlet, xmllint, jq
# dependencies: zsh, xmlstarlet, xmllint
alias xml="xmlstarlet"
date="$(date +'%a, %d %b %Y %H:%M:%S %z')"
function subnode {
local -r tag="${1}"
local -r value="${2}"
local path="${3:-rss/channel/new}"
local -r file="${4:-feed2.rss}"
if [[ -n $value ]]; then
/usr/bin/xmlstarlet ed -L --subnode "$path" -t elem -n "$tag" -v "$value" "$file"
else
/usr/bin/xmlstarlet ed -L --subnode "$path" -t elem -n "$tag" "$file"
fi
}
function insert {
local -r title="$1"
local -r slug="${2}.html"
@ -14,14 +26,14 @@ function insert {
return 0
fi
xml ed --update rss/channel/lastBuildDate --value "$date" feed.rss > feed2.rss
xmlstarlet ed --update rss/channel/lastBuildDate --value "$date" feed.rss > feed2.rss
xml ed -L --subnode rss/channel -t elem -n new feed2.rss
xml ed -L --subnode rss/channel/new -t elem -n title -v "$title" feed2.rss
xml ed -L --subnode rss/channel/new -t elem -n pubDate -v "$date" feed2.rss
xml ed -L --subnode rss/channel/new -t elem -n link -v "$url_root/$slug" feed2.rss
xml ed -L --subnode rss/channel/new -t elem -n guid -v "$url_root/$slug" feed2.rss
xml ed -L --subnode rss/channel/new -t elem -n author -v "$author" feed2.rss
subnode new '' rss/channel
subnode title "$title"
subnode pubDate "$date"
subnode link "$url_root/$slug"
subnode guid "$url_root/$slug"
subnode author "$author"
sed -i 's/<new>/<item>/g' feed2.rss
sed -i 's/<\/new>/<\/item>/g' feed2.rss
@ -30,6 +42,7 @@ function insert {
mv -v feed2.rss feed.rss
else
echo 'Generated an invalid feed, not overwriting'
rm -vf feed2.rss
return 1
fi
@ -40,15 +53,9 @@ total=$(echo $index | wc -l)
current=2
while [[ $current -le $total ]]; do
echo processing $current
lines=$(echo $index | tail -$((current)) | head -2)
title=$(echo $lines | grep title: | cut -d: -f 2 | xargs)
slug=$(echo $lines | grep slug: | cut -d: -f 2 | xargs)
echo title: $title
echo slug: $slug
insert "$title" "$slug"
((current+=2))
done
echo -e "\nfeed.rss:"
cat feed.rss | xq -x