From: "phasis68 (Heesob Park)" <phasis@...>
Date: 2013-07-03T11:06:00+09:00
Subject: [ruby-core:55764] [ruby-trunk - Bug #8597][Open] Unexpected result of Dir.glob of '<' or '>' on Windows


Issue #8597 has been reported by phasis68 (Heesob Park).

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Bug #8597: Unexpected result of Dir.glob of '<' or '>' on Windows
https://bugs.ruby-lang.org/issues/8597

Author: phasis68 (Heesob Park)
Status: Open
Priority: Normal
Assignee: 
Category: 
Target version: 
ruby -v: ruby 2.1.0dev (2013-07-02 trunk 41732) [i386-mswin32_100]
Backport: 1.9.3: UNKNOWN, 2.0.0: UNKNOWN


I have found the following results of Dir.glob when containing '<' or '>' on path.

C:\Users\phasis>irb
irb(main):001:0> Dir.glob('>')
=> [">"]
irb(main):002:0> Dir.glob('<')
=> ["<"]
irb(main):003:0> Dir.glob('>><<>><<')
=> [">><<>><<"]
irb(main):004:0> Dir.glob('>>.<<')
=> [">>.<<"]
irb(main):005:0> Dir.glob('<><>.<><>')
=> ["<><>.<><>"]
irb(main):006:0> Dir.glob('a<<<')
=> ["a<<<"]
irb(main):007:0> Dir.glob('.<<<')
=> [".<<<"]
irb(main):008:0> Dir.glob('>>.rb')
=> [">>.rb"]

These results are due to a bug of stat function of Windows.

I think it would be better to raise Invalid argument error like File.stat.

irb(main):010:0> File.stat('>>.rb')
Errno::EINVAL: Invalid argument @ rb_file_s_stat - >>.rb
        from (irb):10:in `stat'
        from (irb):10
        from c:/usr/bin/irb.bat:18:in `<main>'


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