Count the number of blog posts per week in Ton's blog

blog-posts-by-week.sh

export LC_ALL=C
curl -s https://www.zylstra.org/blog/feed/ | \
  grep pubDate | \
  sed -e 's/<pubDate>//g' | \
  sed -e 's/<\/pubDate>//g' | \
  while read -r line ; do
    date -j -f "%a, %d %b %Y %T %z" "$line" "+%V"
  done | \
  sort -n | \
  uniq -c
export LC_ALL="nl_NL.UTF-8"  

See the original issue the script tries to address here.

See some additional explanation, including a line-by-line breakdown of what this script does, here.