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Perl in a Nutshell

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Standard Modules
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$s->select(read, write, error[, timeout])

Static method; call it with the package name like new. read, write, and error are either undef or IO::Select objects. The optional argument timeout has the same effect as for the core select call.

Returns an array of three elements, each a reference to an array, or an empty array on error. The arrays hold the handles that are ready for reading, ready for writing, and have error conditions, respectively.

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