Leading to shell fun and games like the following, which (at least on 5.005) works on Linux but not on Windows... 
print map "$_\n", glob("{A,B}{a,b}");

[download]
Ah well, I guess non-portability is what I get for being clever. :-(

In reply to Re (tilly) 2: Sort of like a file handle, but not by tilly
in thread Sort of like a file handle, but not by DeusVult

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