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How to Automatically Open New Octopress Post in Editor?

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Recently I discovered Octopress and instead of writing another article on how to migrate to it from Wordpress, I decided to do something else. And, fortunately enough, the topic presented itself. :)

So, Octopress is not your conventional blog engine. You create new posts by running a command in the terminal. I’m quite comfortable with creating new posts with a rake task. What I didn’t like is that I needed to run another command to actually open the post in my editor. Here’s my fix to that. It patches the new_post command, by adding new optional parameter to it, :open_in_editor. If you pass true (or other truthy value), then the post will be opened in my default $EDITOR (which is TextMate at this moment). Now the creation of new post can look like this:

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rake new_post['How to automatically open new post in editor?',:open]

And, finally, the diff of this change:

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diff --git a/Rakefile b/Rakefile
index 58e1925..df8ff7e 100644
--- a/Rakefile
+++ b/Rakefile
@@ -90,10 +90,10 @@ end

 # usage rake new_post[my-new-post] or rake new_post['my new post'] or rake new_post (defaults to "new-post")
 desc "Begin a new post in #{source_dir}/#{posts_dir}"
-task :new_post, :title do |t, args|
+task :new_post, :title, :open_in_editor do |t, args|
   raise "### You haven't set anything up yet. First run `rake install` to set up an Octopress theme." unless File.directory?(source_dir)
   mkdir_p "#{source_dir}/#{posts_dir}"
-  args.with_defaults(:title => 'new-post')
+  args.with_defaults(:title => 'new-post', :open_in_editor => false)
   title = args.title
   filename = "#{source_dir}/#{posts_dir}/#{Time.now.strftime('%Y-%m-%d')}-#{title.to_url}.#{new_post_ext}"
   if File.exist?(filename)
@@ -109,6 +109,9 @@ task :new_post, :title do |t, args|
     post.puts "categories: "
     post.puts "---"
   end
+  if args[:open_in_editor]
+    `$EDITOR #{filename}`
+  end
 end

 # usage rake new_page[my-new-page] or rake new_page[my-new-page.html] or rake new_page (defaults to "new-page.markdown")

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