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freebsd-ports/devel/p5-IO-Null/pkg-descr
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IO::Null
========
Calling a constructor of this class always succeeds, returning a new
null filehandle. Writing to any object of this class is always a no-
operation, and returns true. Reading from any object of this class is
always nooperation, and returns empty-string or empty-list, as
appropriate.
WWW: https://metacpan.org/release/IO-Null