From: Jeremy Bopp <jeremy@...>
Date: 2010-10-14T21:53:51+09:00
Subject: Re: File creation

On 10/14/2010 01:12 AM, Reinhard Lange wrote:
> All
> This is embarrassing:
> How do I create a file?
> 
> # construct the log file name. It does not exist as yet.
> lfil = leg_dir+log_name
> puts "Log file name is: #{lfil}"
> # Create the file
> if !File.exists?(lfil)
>     puts "we entered file exixts condition"
>   begin
>     fOut = File.new(lfil, "w+")
>     fOut.puts("Thomas the Tank")
>   rescue SystemCallError
>     puts "failed to create new file"
>   end
> end
> fOut.close unless fOut.nil?
> 
> I keep getting
> jusplay.rb:15:in `initialize': No such file or directory -
> D:/REINHARD/DEV/LOG/hello.log (Errno::ENOENT)
>         from jusplay.rb:15:in `new'
>         from jusplay.rb:15

You need to make sure that the directory that will contain the file
(D:/REINHARD/DEV/LOG/) exists before creating the file.  You can either
do that outside your script before you run it or from within your script:

require 'fileutils'
FileUtils.mkdir_p(File.dirname(lfil))

-Jeremy