erb2slim 658 Bytes
#!/usr/bin/env ruby

require 'html2haml'
require 'haml2slim'

def run cmd
  puts cmd
  system cmd
end

def convert erb
  run <<-CMD
    html2haml --erb #{erb} | haml2slim | sed 's/ *\\\\$//g' > $(echo #{erb} | sed 's/erb/slim/') && rm #{erb}
  CMD
end

erb = ARGV[0]
if erb and not erb.empty?
  if File.file? erb
    convert erb
  else
    STDERR.puts "file '#{erb}' not found"
  end
else
  GLOB_ALL = '**/*.erb'
  GLOB_HTML = '**/*.html.erb'
  GLOB = GLOB_HTML

  Dir.glob(GLOB).each do |erb|
    if File.file? erb
      convert erb
    elsif File.symlink? erb
      run <<-CMD
      mv #{erb} $(echo #{erb} | sed 's/erb/slim/')
      CMD
    end
  end
end