Add script to generate a new Jekyll post

bin/new

@@ -0,0 +1,55 @@
+#!/usr/bin/env ruby
+
+require "optparse"
+require "time"
+require "yaml"
+
+front_matter = {
+  "title" => "Hello World",
+  "slug" => "hello-world",
+  "layout" => "post",
+  "categories" => []
+}
+
+options = {
+  force: false
+}
+
+OptionParser.new do |opts|
+  opts.on("-t", "--title TITLE", "Title for post") do |title|
+    front_matter["title"] = title
+  end
+
+  opts.on("-s", "--slug SLUG", "Slug for post") do |slug|
+    front_matter["slug"] = slug
+  end
+
+  opts.on("-l", "--layout LAYOUT", "Layout for post") do |layout|
+    front_matter["layout"] = layout
+  end
+
+  opts.on("-c", "--category CATEGORY", "Add category for post (can be specified multiple times)") do |category|
+    front_matter["categories"] << category
+  end
+
+  opts.on("-f", "--force", "Overwrite existing file") do |val|
+    options[:force] = val
+  end
+end.parse!
+
+now = DateTime.now
+date = DateTime.new(now.year, now.month, now.day, 0, 0, 0, now.zone)
+
+front_matter["date"] = date.to_time.to_s
+front_matter["categories"] = front_matter["categories"].join(" ")
+
+fname = date.strftime("_posts/%Y-%m-%d-#{front_matter["slug"]}.md")
+raise "Already exists: #{fname}" if File.exists?(fname) && !options[:force]
+
+File.open(fname, "w") do |f|
+  f << front_matter.to_yaml
+  f << "---" << "\n" << "\n"
+  f << "Hello reader..."
+end
+
+puts "Generated new post in: #{fname}"