```ruby
#!ruby -Ks
# encoding: utf-8
require 'win32ole'
require 'fileutils'

# This class converts visio file into pdf file.
class Visio2Pdf
  VSDEXTS = '.vsd'
  PDFEXTS = '.pdf'
  @visio = nil
  @in_dir = nil
  @vsd_fullpath = nil
  @pdf_fullpath = nil

  def visio2pdf_controller
    if ARGV.length == 2
      @in_dir, @_out_dir = ARGV
    else
      return
    end
    visio2pdf
  end

  def visio2pdf
    @visio = WIN32OLE.new('Visio.Application')
    begin
      files = Dir["#{@in_dir}/[^~]*{#{VSDEXTS}}"]
      files.sort.each do |file|
        get_filepath file
        visio2pdf_exec
      end
    ensure
      @visio.Quit
    end
  end

  def visio2pdf_exec
    vsd = @visio.Documents.Open(@vsd_fullpath)
    begin
      vsd.ExportAsFixedFormat(
        FixedFormat: 1, OutputFileName: @pdf_fullpath, Intent: 0, PrintRange: 0
      )
    rescue
      puts "fail: #{@vsd_fullpath}"
    ensure
      vsd.Close
    end
  end

  def get_filepath(file)
    @vsd_fullpath = File.expand_path(file)
    @pdf_fullpath = @vsd_fullpath.gsub(/\.vsd$/, PDFEXTS)
  end
end

exec = Visio2Pdf.new
exec.visio2pdf_controller
```

Fix blank is included in filepath
user
```ruby
#!ruby -Ks
# encoding: utf-8
require 'win32ole'
require 'fileutils'

# This class converts visio file into pdf file.
class Visio2Pdf
  VSDEXTS = '.vsd'
  PDFEXTS = '.pdf'
  @visio = nil
  @in_dir = nil
  @vsd_fullpath = nil
  @pdf_fullpath = nil

  def visio2pdf_controller
    if ARGV.length == 2
      @in_dir, @_out_dir = ARGV
    else
      return
    end
    visio2pdf
  end

  def visio2pdf
    begin
      @visio = WIN32OLE.new('Visio.Application')
      files = Dir["#{@in_dir}/[^~]*{#{VSDEXTS}}"]
      files.sort.each do |file|
        get_filepath file
        visio2pdf_exec
      end
    ensure
      @visio.Quit
    end
  end

  def visio2pdf_exec
    begin
      vsd = @visio.Documents.Open(@vsd_fullpath)
      vsd.ExportAsFixedFormat(
        FixedFormat: 1, OutputFileName: @pdf_fullpath, Intent: 0, PrintRange: 0
      )
    rescue
      puts "fail: #{@vsd_fullpath}"
    ensure
      vsd.Close
    end
  end

  def get_filepath(file)
    @vsd_fullpath = File.expand_path(file)
    @pdf_fullpath = @vsd_fullpath.gsub(/\.vsd$/, PDFEXTS)
  end
end

exec = Visio2Pdf.new
exec.visio2pdf_controller
```
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