Class: File

Inherits:
Object show all
Defined in:
lib/overload/file.rb

Class Method Summary collapse

Class Method Details

.append(path, content) ⇒ Object 



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# File 'lib/overload/file.rb', line 11

def append path, content
  File.open(path, 'a') do |f|
    f.flock File::LOCK_EX
    f.puts content
  end
end

.delete?(path) ⇒ Boolean

Returns:



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# File 'lib/overload/file.rb', line 23

def delete? path
  if File.exist?(path)
    File.delete path
    true
  else
    false
  end
end

.ext(name) ⇒ Object 



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# File 'lib/overload/file.rb', line 18

def ext name
  out = name.to_s.split('.').last.to_s.downcase
  [3,4].include?(out.length) ? out : nil
end

.is_locked?(lock_file) ⇒ Boolean

exit if File.is_locked?(‘tmp/test.lock’)

Returns:



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# File 'lib/overload/file.rb', line 33

def is_locked? lock_file
  lock_fd = File.open(lock_file, File::RDWR|File::CREAT, 0644)

  Timeout::timeout(0.1) do
    lock_fd.flock(File::LOCK_EX)
    return false
  end
rescue Timeout::Error
  return true
end

.write_p(file, data) ⇒ Object

write and create dir



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# File 'lib/overload/file.rb', line 4

def write_p file, data
  path = file.split('/').reverse.drop(1).reverse.join('/')
  FileUtils.mkdir_p(path) unless File.exist?(path)
  self.write file, data
  data
end