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class File < IO
attr_accessor :path
def initialize(fd_or_path, mode = "r", perm = 0666)
if fd_or_path.kind_of? Integer
super(fd_or_path, mode)
else
@path = fd_or_path
fd = IO.sysopen(@path, mode, perm)
super(fd, mode)
end
end
def atime
t = self._atime
t && Time.at(t)
end
def ctime
t = self._ctime
t && Time.at(t)
end
def mtime
t = self._mtime
t && Time.at(t)
end
def inspect
"<#{self.class}:#{@path}>"
end
def self.join(*names)
return "" if names.empty?
names.map! do |name|
case name
when String
name
when Array
if names == name
raise ArgumentError, "recursive array"
end
join(*name)
else
raise TypeError, "no implicit conversion of #{name.class} into String"
end
end
return names[0] if names.size == 1
if names[0][-1] == File::SEPARATOR
s = names[0][0..-2]
else
s = names[0].dup
end
(1..names.size-2).each { |i|
t = names[i]
if t[0] == File::SEPARATOR and t[-1] == File::SEPARATOR
t = t[1..-2]
elsif t[0] == File::SEPARATOR
t = t[1..-1]
elsif t[-1] == File::SEPARATOR
t = t[0..-2]
end
s += File::SEPARATOR + t if t != ""
}
if names[-1][0] == File::SEPARATOR
s += File::SEPARATOR + names[-1][1..-1]
else
s += File::SEPARATOR + names[-1]
end
s
end
def self.foreach(file)
if block_given?
self.open(file) do |f|
f.each {|l| yield l}
end
else
return self.new(file)
end
end
def self.directory?(file)
FileTest.directory?(file)
end
def self.exist?(file)
FileTest.exist?(file)
end
def self.exists?(file)
FileTest.exists?(file)
end
def self.file?(file)
FileTest.file?(file)
end
def self.pipe?(file)
FileTest.pipe?(file)
end
def self.size(file)
FileTest.size(file)
end
def self.size?(file)
FileTest.size?(file)
end
def self.socket?(file)
FileTest.socket?(file)
end
def self.symlink?(file)
FileTest.symlink?(file)
end
def self.zero?(file)
FileTest.zero?(file)
end
def self.extname(filename)
fname = self.basename(filename)
epos = fname.rindex('.')
return '' if epos == 0 || epos.nil?
return fname[epos..-1]
end
def self.path(filename)
if filename.kind_of?(String)
filename
else
raise TypeError, "no implicit conversion of #{filename.class} into String"
end
end
end
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