hachi/perl-MogileFS-Client — pull request #1 by yannk (2011-10-24 04:23:06+00:00)
Title: Fix a problem with storing file from STDIN and other exotic globs

This check is surprisingly difficult.
http://stackoverflow.com/questions/3807231/how-can-i-test-if-i-can-write-to-a-filehandle/4200474#comment-4539234

This fix a problem where passing *::STDIN would fail.