This utility makes it easy to convert a properties file specified in the _file_to_update_ variable to Markdown table format

properties_to_markdown.rb

##
## This utility makes it easy to convert a properties file specified in the _file_to_update_ variable to Markdown table format
## Takes a properties file in the form: 
## `key=value`
##
## It outputs each value in the form:
## `| key | value |`
## 
## Optional properties, denoted by being commented out, are output as `<not set>`

def isCommentOrBlank?(line) 
  return line.start_with?('#') || line.strip.empty?()
end

file_to_update="path/to/properties_file"

lines = File.open(file_to_update).read
lines.each_line do |line|

  optionalProperty=/^#([^=]+)=(.+)$/

  line.match(optionalProperty) do |m|
    name=m[1].strip
    value=m[2].strip
    env_property=name.gsub('.','/').downcase

    puts "| #{name} | <not set> |"
  end

  if ( isCommentOrBlank?(line)  ) then
    # ignore
  else

    name_value = line.split('=')
    name=name_value[0].strip
    value=name_value[1].strip

    env_property=name.gsub('.','/').downcase
    new_line="| #{name} | #{value}"
    puts new_line
  end
end