These are called "file test operators" and in my Programming Perl 2nd Ed. they are well covered in Chapter 2 - Operators (page 85). But since you have the 3rd edition, check in the index for "file test operator".
In reply to Re: What are the Names for the "TEST" Switches??
by greengaroo
in thread What are the Names for the "TEST" Switches??
by mmartin
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