NON-SOURCE POSTINGS CONSIDERED HARMFUL!

[Maarten Litmaath]

In article <2856 at charon.cwi.nl>,
	dik at cwi.nl (Dik T. Winter) writes:
)[...]
) >     test -f "$j/$i" && echo -n "$j/$i "

As I noted before this will present /etc/passwd as `executable'.
Adding a `test -x' will _not_ suffice, because `test' invokes access(2)
to test executability, and the answers this system call gives _cannot_
be trusted if the real uid is 0 or if it differs from the effective uid.

How does Perl implement `-x', Tom?
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