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File::Stat#readable? -> bool (18108)

• 1.8.7
• 1.9.2
• 1.9.3

• インスタンスメソッド

読み込み可能な時に真を返します。

...読み込み可能な時に真を返します。

p File::Stat.new($0).readable? #=> true...

File::Stat#world_readable? -> Fixnum | nil (6108)

• 1.9.2
• 1.9.3

• インスタンスメソッド

If stat is readable by others, returns an integer representing the file permission bits of stat. Returns nil otherwise. The meaning of the bits is platform dependent; on Unix systems, see stat(2).

...le by others, returns an integer representing
the file permission bits of stat. Returns nil otherwise. The
meaning of the bits is platform dependent; on Unix systems, see
stat(2).

m = File.stat("/etc/passwd").world_readable? # => 420
sprintf("%o", m) # => "644"...