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January 4, 2023 13:26
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Coninuouly print news from RSS
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#! /bin/sh | |
RSS_URL=http://feeds.bbci.co.uk/news/rss.xml | |
#RSS_URL=http://feeds.bbci.co.uk/news/rss.xml | |
PRINT_INTERVAL=${PRING_INTERVAL:-30} | |
FETCH_INTERVAL=${FETCH_INTERVAL:-600} | |
RSS=$(mktemp) | |
LOCK=$(mktemp) | |
latest_news_time=$(date --date -1day +%s) | |
print_news_from_rss_file() { | |
xq -c '.rss.channel.item[]' $RSS | \ | |
tac | \ | |
while read -r record; do | |
date="$(jq -r .pubDate <<<"$record")" | |
epoch=$(date -d "$date" +%s) | |
if [[ $epoch -gt $latest_news_time ]]; then | |
latest_news_time=$epoch | |
echo $latest_news_time >$LOCK | |
else | |
continue | |
fi | |
# Print headline | |
echo -en '\e[1;30;41m' | |
jq -r .title <<<"$record" | |
echo -en '\e[0m\e[K' | |
# Print publish date | |
echo -en '\e[0;3m' | |
echo " $date" | |
echo -en '\e[0m' | |
printf '\n' | |
# Print summary | |
jq -r .description <<<"$record" | grep -Eo "^[^<]+" | |
# Print link | |
echo -en '\e[0;3;34m' | |
jq -r .link <<<"$record" | |
echo -en '\e[m' | |
printf '\n\n' | |
sleep $PRINT_INTERVAL | |
done | |
} | |
while true; do | |
if [ -s $RSS ]; then | |
RSS_CTIME=$(stat -c %Y $RSS) | |
else | |
RSS_CTIME=0 | |
fi | |
time_from_last_fetch=$(( $(date +%s) - $RSS_CTIME )) | |
if [[ $time_from_last_fetch -le $FETCH_INTERVAL ]]; then | |
sleep $(( $FETCH_INTERVAL - $time_from_last_fetch )) | |
fi | |
curl -s $RSS_URL >$RSS | |
print_news_from_rss_file | |
latest_news_time=$(cat $LOCK) | |
done |
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