Servertec valid( )
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Returns whether the specified file descriptor object represents a valid file or socket.

Syntax

    valid( filedescriptor )
    filedescriptor.valid( )

Parameters

    filedescriptor device to test.

Returns

    boolean true if filedescriptor is a valid object.
    false if filedescriptor is not a valid object.

Example

    fd.valid( )
    
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Last Modified: Sun Sep 04 14:56:08 EDT 2005