bash-like alias

set_alias.rb

$file_path = 'd:/360cloud/tool/alias.psm1'

class Set_Alias
  def create
    p 'create'
    file = File.new($file_path, 'a')
    file.puts
    file.puts "Function #{@ali} { #{@ori} }"
    file.close
  end

  def modify
    p 'modify'
    content = File.read($file_path)
    content.gsub!(/Function #{@ali} \{.*\}/, "Function #{@ali} { #{@ori} }")
    File.open($file_path, 'w').puts content
  end

  def initialize(ali, ori)
    @ali, @ori = ali, ori
  end
end

ali, ori = ARGV[0], ARGV[1]
set_alias = Set_Alias.new(ali, ori)

content = File.read $file_path

if content[/Function\s#{ali}.*/]
  set_alias.modify
else
  set_alias.create
end