Actually, the -t test will be wrong in most cases, since for my application usually is not connected to a terminal.

Your arguments are basically correct - thank you for pointing it out. Fortunately, in my case I have control over whether or not stdout will be dup'ed, so this is no problem.
-- 
Ronald Fischer <ynnor@mm.st>

In reply to Re^2: Testing whether a file handle is attached to STDOUT by rovf
in thread Testing whether a file handle is attached to STDOUT by rovf

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