Class: Reyes::TmpPersistentFile

Inherits:
File
  • Object
show all
Defined in:
lib/reyes/tmp_persistent_file.rb

Overview

Similar to Tempfile::open, but don’t unlink the file on exit.

Instance Method Summary collapse

Constructor Details

#initialize(prefix = 'tmp.', tmpdir = '/tmp', suffix = '') ⇒ TmpPersistentFile

Create a temporary file of mode 0600 in the temporary directory, open it with mode “w+”, and return the open File object.



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# File 'lib/reyes/tmp_persistent_file.rb', line 6

def initialize(prefix='tmp.', tmpdir='/tmp', suffix='')
  path = File.join(tmpdir, make_tmpname(prefix, suffix))
  super(path, File::RDWR|File::CREAT|File::EXCL, 0600)
end

Instance Method Details

#make_tmpname(prefix, suffix) ⇒ Object

Generate a name for a temporary file.



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# File 'lib/reyes/tmp_persistent_file.rb', line 12

def make_tmpname(prefix, suffix)
  t = Time.now.strftime("%Y%m%d")
  "#{prefix}#{t}-#{$$}-#{rand(0x100000000).to_s(36)}#{suffix}"
end