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TCL
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procedures
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1990-05-03
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PROCEDURES
Tcl allows you to extend the command interface by defining
procedures. A Tcl procedure can be invoked just like any
other Tcl command (it has a name and it receives one or more
arguments). The only difference is that its body isn't a
piece of C code linked into the program; it is a string
containing one or more other Tcl commands. See the proc
command for information on how to define procedures and what
happens when they are invoked.