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#!/bin/sh
set -euo pipefail
usage() {
echo 'Usage: feedentry FILENAME.htmlbody'
}
FILENAME="${1:-}"
eval "$(assert-arg -- "$FILENAME" 'FILENAME.htmlbody')"
. "$(realpath -- "${FILENAME%.*}.conf")"
update_xml=
if [ -n "${updated_at:-}" ]; then
update_iso="$(date -ud "$updated_at" -Is)"
update_xml=" <updated>
$update_iso
</updated>"
fi
cat <<EOF | sed '/^$/d'
<entry xml:lang="en">
<title type="html">
$title_html
</title>
<link type="text/html" rel="alternative" href="$url_absolute" title="$title_html" />
<published>
$date_iso
</published>
$update_xml
<id>
$url_absolute
</id>
<author>
<name>
$author
</name>
<email>
$email
</email>
</author>
<summary type="html">
EOF
head -n5 < "$FILENAME" | htmlesc
printf ' </summary>\n'
printf ' <content type="html" xml:base="%s">\n' "${url:?}"
htmlesc < "$FILENAME"
printf ' </content>\n'
printf ' </entry>\n'
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