[[what is a channel?]]

[[why are channels important to the tcl programmer?]]

[[how are channels different from other constructs in tcl?]]

[[how do I create/use/destroy a channel?]]

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Channel related commands in Tcl include:

   * [close]
   * [eof]
   * [fblocked]
   * [fconfigure]
   * [fcopy]
   * [fileevent]
   * [flush]
   * [gets]
   * [puts]
   * [read]
   * [socket]
   * [tell]

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See also
   * [Channel Implementations] 
   * [Cplusplus streams and Tcl channels]
   * "The Tcl I/O system as seen by a driver (channel type)" [http://sourceforge.net/docman/display_doc.php?docid=1791&group_id=10894]

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