[ruby-core:47165] Re: [ruby-trunk - Bug #6849][Open] Psych.load_file throws TypeError for empty file

On Tue, Aug 14, 2012 at 03:12:58AM +0900, Zachary Scott wrote:
> On ruby 1.9.3p194 (2012-04-20 revision 35410) [x86_64-linux]
> 
> I can reproduce this using Psych.load_file.
> 
> However, when I try Psych#load as the implementation suggests[1]
> leaving out the utf stuff "bom|utf-8"; it returns false:
> 
> $irb
> require 'psych'
> `touch empty.yml`
> File.open('empty.yml', 'r') { |f| Psych.load(f,'empty file') }
> #=> false
> 
> Something is up with the File.open mode used by psych:
> 
> $irb
> `touch empty.file`
> File.open('empty.file', 'r:bom|utf-8') { |f| puts f }
>     TypeError: no implicit conversion from nil to integer

Ah, this is a bug in Ruby:

  https://bugs.ruby-lang.org/issues/6487

It should be fixed in the next 1.9.3 patch release.

-- 
Aaron Patterson
http://tenderlovemaking.com/