My current Jekyll based blog. ( PHP Machine -> Wordpress -> Jekyll)

Start a new post:

  ruby new-post.rb "My Post Title"

Creates _posts/YYYY-MM-DD-my-post-title.md with the front matter already filled in — title, permalink, layout, and a default category. The slug is derived from the title, so the filename and permalink always agree. Refuses to overwrite a post that already exists.

Move a post to today's date:

  ruby new-post.rb --redate _posts/2026-07-20-my-post-title.md

For a post started one day and finished another. Renames the file and rewrites the permalink together, so the two dates can't drift apart. Refuses if a post already sits at today's date, or if the filename slug and the permalink slug disagree — that means one of them is wrong, and only a human knows which.

Display categories used:

  ruby list-categories.rb

Run the specs:

  bundle exec rspec