Module: Dir::Tmpname

Defined in:
lib/tmpdir.rb

Overview

:nodoc:

Constant Summary collapse

UNUSABLE_CHARS =
[File::SEPARATOR, File::ALT_SEPARATOR, File::PATH_SEPARATOR, ":"].uniq.join("").freeze

Class Method Summary collapse

Class Method Details

.create(basename, tmpdir = nil, max_try: nil, **opts) ⇒ Object


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# File 'lib/tmpdir.rb', line 113

def create(basename, tmpdir=nil, max_try: nil, **opts)
  origdir = tmpdir
  tmpdir ||= tmpdir()
  n = nil
  prefix, suffix = basename
  prefix = (String.try_convert(prefix) or
            raise ArgumentError, "unexpected prefix: #{prefix.inspect}")
  prefix = prefix.delete(UNUSABLE_CHARS)
  suffix &&= (String.try_convert(suffix) or
              raise ArgumentError, "unexpected suffix: #{suffix.inspect}")
  suffix &&= suffix.delete(UNUSABLE_CHARS)
  begin
    t = Time.now.strftime("%Y%m%d")
    path = "#{prefix}#{t}-#{$$}-#{rand(0x100000000).to_s(36)}"\
           "#{n ? %[-#{n}] : ''}#{suffix||''}"
    path = File.join(tmpdir, path)
    yield(path, n, opts, origdir)
  rescue Errno::EEXIST
    n ||= 0
    n += 1
    retry if !max_try or n < max_try
    raise "cannot generate temporary name using `#{basename}' under `#{tmpdir}'"
  end
  path
end

.tmpdirObject


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# File 'lib/tmpdir.rb', line 107

def tmpdir
  Dir.tmpdir
end