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#!/bin/sh
set -euo pipefail


usage() {
	echo 'Usage: indexbody FILENAME.conf [SORTDATA]'
}

FILENAME="${1:-}"
SORTDATA="${2:-"$(dirname -- "$FILENAME")"/sortdata.txt}"
eval "$(assert-arg -- "$FILENAME" 'FILENAME.conf')"
. ./"$FILENAME"


cat <<EOF
        <p>
          Atom feed
          <a href="feed.xml">
            <source srcset="$feedicon_url_prefix/dark.svg" media="(prefers-color-scheme: dark)" />
            <img       src="$feedicon_url_prefix/light.svg" class="icon"
	  /></a>
          and feeds by
          <a href="categories.html">categories</a>.
        </p>
EOF

printf '        <ol class="collection-list">\n'
cat -- "$SORTDATA" |
	xargs cat |
	sort -nr |
	xargs cat |
	sed 's/\.sortdata$/.indexentry/' |
	xargs cat
printf '        </ol>\n'