Newpost for Github page Jekyll Blog

newpost

#!/usr/bin/env ruby

=begin
--- HOW TO USE ---
In Windows,
> ruby newpost "Category Title"
Only First word is regarded as category. After second word, all is substring of title.
This Ruby Script look up your blog posts (./_posts/*.md) and count how many article with same category.
This returns YYYY-MM-DD-category-number-title.md file.
=end

unless ARGV[0]
  puts 'Usage: newpost "Category postTitle"'
  puts "It doesn't matter whether uppercase or not."
  exit(-1)
end

date_prefix = Time.now.strftime("%Y-%m-%d") # String would be YYYY-MM-DD like 2020-07-20
postCategory = ARGV[0].split(' ', 2)[0].strip # From "Category postTitle", this extracts "Category".
postNumberInCategory = 1                    # Default Number is 1

# According to https://stackoverflow.com/a/13511455/7105963
# File name should be lowercase. Because it hurts SEO ranking.
filename = ARGV[0].split(' ', 2)[1].strip.downcase.gsub(/ /, '-') 

titlename = ARGV[0].split(' ', 2)[1].strip

# Get Post Number in Category
existsPosts = Dir["./_posts/*"]
# Calculate postNumberInCategory
for each in existsPosts
    each = each.gsub("./_posts/", "") # Remove substring from Directory file name
    eachCategory = each.split('-')[3] # All Post file should be YYYY-MM-DD-Category-Number-filename.md. We need "Category"
    if eachCategory.downcase.eql? postCategory.downcase # For safe, compare with downcase.
        postNumberInCategory = postNumberInCategory + 1 # Count the number of posts with Category.
    end
end

# Calculate is over.
post = "./_posts/#{date_prefix}-#{postCategory.downcase}-#{postNumberInCategory}-#{filename}.md"

header = 0

# Category for comfort
case postCategory

when "Journal"
  titlename = "[Journal Review] #{titlename}"
  header = <<-END
---
layout: post
title: "#{titlename}"
section-type: post
category: #{postCategory}
tags:
  - tag1
  - tag2
---

## Author

<p style="text-align: center;">Mark Zuckerberg, Bill Gates, Larry Page, Steve Wozniak, Elon Musk</p>

<p style="text-align: center;">in <i>Some Laboratory or University</i></p>
<br><br>
Original Link: [Where did I find](https://web.stanford.edu/~ouster/cgi-bin/papers/ramcloud.pdf)<br>
Archived Link: [Download in Google Drive](https://drive.google.com/file/d/14W9_7I734yKBpeVaPptRjw0lJ0DdhtXl/view?usp=sharing)

## Summarized by Blog owner

## Introduction


<br>
<br>
<br>
<hr/>

<!--- This line is for footnote or reference -->

END
else
  titlename = "[#{postCategory}] #{titlename}"
  header = <<-END
---
layout: post
title: "#{titlename}"
section-type: post
category: #{postCategory}
tags:
  - tag1
  - tag2
---
END
end

File.open(post, 'w') do |f|
  f << header
end

# system("atom", post) # Deprecated because Now I am using Visual Studio Code

I had mistake to do "block comment". So I corrected it.