lib/tins/temp_io.rb
require 'tmpdir'
module Tins
module TempIO
def temp_io(content: nil, name: __method__)
content.nil? and raise ArgumentError, "missing keyword: content"
name = File.basename(name.to_s)
Dir.mktmpdir do |dir|
name = File.join(dir, name)
File.open(name, 'w+b') do |io|
if content.respond_to?(:call)
if content.respond_to?(:arity) && content.arity == 1
content.call(io)
else
io.write content.call
end
else
io.write content
end
io.rewind
yield io
end
end
end
end
end