|Perl Language Reference Manual|
by Larry Wall and others
Paperback (6"x9"), 724 pages
RRP £29.95 ($39.95)
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Can't open bidirectional pipe
(W pipe) You tried to say
open(CMD, "|cmd|"), which is not supported.
You can try any of several modules in the Perl library to do this, such
as IPC::Open2. Alternately, direct the pipe's output to a file using
">", and then read it in under a different file handle.
|ISBN 9781906966027||Perl Language Reference Manual||See the print edition|