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Size: 967 Bytes
Versions: 37
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Stored size: 967 Bytes
Contents
module Utils
module FileXt
include File::Constants
SEEK_SET = File::SEEK_SET
ZERO = "\x00"
BINARY = "\x01-\x1f\x7f-\xff"
if defined?(::Encoding)
ZERO.force_encoding(Encoding::ASCII_8BIT)
BINARY.force_encoding(Encoding::ASCII_8BIT)
end
def binary?
old_pos = tell
seek 0, SEEK_SET
data = read 2 ** 13
!data or data.empty? and return nil
data.count(ZERO) > 0 and return true
data.count(BINARY).to_f / data.size > 0.3
ensure
seek old_pos, SEEK_SET
end
def ascii?
case binary?
when true then false
when false then true
end
end
def self.included(modul)
modul.instance_eval do
extend ClassMethods
end
end
module ClassMethods
def binary?(name)
File.open(name, 'rb') { |f| f.binary? }
end
def ascii?(name)
File.open(name, 'rb') { |f| f.ascii? }
end
end
end
end
Version data entries
37 entries across 37 versions & 1 rubygems