|Perl Language Reference Manual|
by Larry Wall and others
Paperback (6"x9"), 724 pages
RRP £29.95 ($39.95)
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Unknown PerlIO layer "%s"
(W layer) An attempt was made to push an unknown layer onto the Perl I/O
system. (Layers take care of transforming data between external and
internal representations.) Note that some layers, such as
are not supported in all environments. If your program didn't
explicitly request the failing operation, it may be the result of the
value of the environment variable PERLIO.
|ISBN 9781906966027||Perl Language Reference Manual||See the print edition|