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#!/usr/bin/env bash
# Run sfeed
# set -euo pipefail
main() {
export SFEED_CONFIG="$HOME/.sfeed"
# SFEED_CONFIG="${XDG_CONFIG_HOME:-$HOME/.config}/sfeed"
export SFEED_DATA="$HOME/.sfeed"
# SFEED_DATA="${XDG_DATA_HOME:-$HOME/.local/share}/sfeed"
export SFEED_OUTPUT="$HOME/.sfeed"
# SFEED_OUTPUT=/var/www/sfeed
export sfeedrc="$SFEED_CONFIG/sfeedrc"
export sfeedpath="$SFEED_DATA/feeds"
test -d "$(dirname "$sfeedrc")" || mkdir -p "$(dirname "$sfeedrc")"
test -d "$sfeedpath" || mkdir -p "$sfeedpath"
log Updating feeds...
update "$sfeedrc"
log Generating HTML...
html "$sfeedpath"/* >"$SFEED_OUTPUT/index.html"
log
LIMIT=0 html "$sfeedpath"/* >"$SFEED_OUTPUT/feeds.html"
log
log Generating RSS...
atom "$sfeedpath" >"$SFEED_OUTPUT/feeds.xml"
atom "$sfeedpath" 7 >"$SFEED_OUTPUT/feeds-short.xml"
log Generating OPML...
opml "$sfeedrc" >"$SFEED_OUTPUT/feeds.opml"
log Archiving old feeds...
archive "$sfeedpath"/*
log Done.
}
log() {
printf '%s\n' "$*" >&2
}
update() {
cmd="$(command -v sfeed_update_xargs || echo ./sfeed_update_xargs)"
"$cmd" "$@"
}
opml() {
sfeed_opml_export "$@"
}
html() {
converter="$(command -v sfeed_html.sh || echo ./sfeed_html.sh)"
"$converter" "$@"
}
atom() ( # atom DIRECTORY [DAYS]
curd="$PWD"
cd "$1" || return 1
if [ $# -eq 2 ]; then
old=$(($(date +%s) - ($2 * 24 * 3600)))
else
old=0
fi
awk -F $'\t' -v old="$old" \
'BEGIN{OFS="\t"} int($1)>=old{$2="["FILENAME"] "$2;print}' \
* |
sort -k1,1rn |
sfeed_atom
)
archive() ( # sfeed_archive FEED ...
for feed; do
awk -v old="$(($(date +%s) - (60 * 24 * 3600)))" \
-F '\t' 'int($1) > old' <"$feed" >"$feed.new"
mv "$feed" "$feed.old"
mv "$feed.new" "$feed"
done
)
if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
main "$@"
fi
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