Summary
Perl and network programming were made for each other. Perl's strong text-processing abilities combine with a flexible I/O subsystem to create an environment that is ideal for interprocess communication.
This, combined with its native support for the Berkeley Sockets protocol, make Perl an excellent choice for network applications.
In this chapter we reviewed the essential components of Perl's I/O API. Filehandles are the fundamental object used for Perl input/output operations, and offer both line-oriented and byte-stream-oriented modes.
The STDIN, STDOUT, and STDERR filehandles are available when a program is started, and correspond to the standard input, output, and error devices. A script may open up additional filehandles, or reopen ...
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