id,summary,reporter,owner,description,type,status,milestone,component,version,severity,resolution,keywords,cc 11013,"file_descriptor_sink won't create a file in ""app"" mode",Josh Kelley ,Jonathan Turkanis,"When file_descriptor_sink(filename, ios::app) is used on Linux, it refuses to create the file if the file doesn't already exist. This is inconsistent with std::ofstream's behavior with ios::app, and it's inconsistent with file_descriptor_sink's behavior on Windows (where it does create the file if it doesn't exist). See pull request 9 on the boostorg/iostreams GitHub repository.",Bugs,new,To Be Determined,iostreams,Boost 1.57.0,Problem,,,