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August 18, 2023 20:22
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rss.sh
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| #!/bin/bash | |
| declare TRACE | |
| [[ "${TRACE}" == 1 ]] && set -o xtrace | |
| set -o errexit | |
| set -o nounset | |
| set -o pipefail | |
| set -o noclobber | |
| posts() { | |
| local -a posts=() | |
| while IFS= read -r line; do posts+=("${line}"); done < <( | |
| fd . -e md content/blog | | |
| xargs rg '^draft = false$' -l | | |
| xargs rg '^(date) = ' --with-filename --no-line-number | | |
| sd ':date = ' ' ' | | |
| sort -rk2 | | |
| awk '{print $1}' | |
| ) | |
| for post in "${posts[@]}"; do | |
| post_metadata=$( | |
| rg \ | |
| '^(title|date|description|slug|categories|image) ?= ?' \ | |
| "${post}" \ | |
| --no-line-number | | |
| sd '[\[\]]' "" | | |
| sd '", {0,5}"' ', ' | | |
| sd ' {0,5}= {0,5}' ' ' | |
| ) | |
| post_date=$( | |
| echo "${post_metadata}" | | |
| rg date | | |
| awk '{print $2}' | | |
| xargs -n1 bash -c 'date --date=$0 --rfc-email' | |
| ) | |
| post_title=$( | |
| echo "${post_metadata}" | | |
| rg title | | |
| awk -F '"' '{print $2}' | |
| ) | |
| post_link=$( | |
| echo "${post_metadata}" | | |
| rg slug | | |
| awk '{print $2}' | | |
| sd '"' '' | |
| ) | |
| post_description=$( | |
| echo "${post_metadata}" | | |
| rg description | | |
| awk -F '"' '{print $2}' | |
| ) | |
| post_categories=$( | |
| echo "${post_metadata}" | | |
| rg categories | | |
| awk -F '"' '{print $2}' | |
| ) | |
| post_image=$( | |
| echo "${post_metadata}" | | |
| rg image | | |
| awk -F '"' '{print $2}' | |
| ) | |
| post_image_ext=$( | |
| echo "${post_image}" | | |
| awk -F '.' '{print $NF}' | |
| ) | |
| post_image_length=$( | |
| stat -c "%s" static/images/"${post_image}" | |
| ) | |
| cat <<EOF | |
| <item> | |
| <title>${post_title}</title> | |
| <pubDate>${post_date}</pubDate> | |
| <author>rodolfo.moi.oliveira@gmail.com (Rodolfo Mói de Oliveira)</author> | |
| <link>https://rm-o.dev/blog/${post_link}/</link> | |
| <guid>https://rm-o.dev/blog/${post_link}/</guid> | |
| <description>${post_description}</description> | |
| <category>${post_categories}</category> | |
| <enclosure url="https://rm-o.dev/images/${post_image}" length="${post_image_length}" type="image/${post_image_ext}" /> | |
| </item> | |
| EOF | |
| done | |
| } | |
| rss() { | |
| items=$(posts) | |
| last_build_date=$(date --rfc-email) | |
| cat <<EOF >|docs/rss.xml | |
| <?xml version="1.0" encoding="UTF-8"?> | |
| <rss xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"> | |
| <channel> | |
| <title>Rodolfo Mói de Oliveira's website.</title> | |
| <link>https://rm-o.dev/</link> | |
| <description>Rodolfo Mói de Oliveira's website.</description> | |
| <language>en</language> | |
| <atom:link href="https://rm-o.dev/rss.xml" rel="self" type="application/rss+xml"/> | |
| <lastBuildDate>${last_build_date}</lastBuildDate> | |
| <ttl>60</ttl> | |
| ${items} | |
| </channel> | |
| </rss> | |
| EOF | |
| } | |
| main() { | |
| rss | |
| } | |
| main |
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